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Bogleheads Investing Advice Inspired by Jack Bogle
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wklose99
Joined: 12 Nov 2009 Posts: 31
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Posted: Wed Jan 27, 2010 11:19 pm Post subject: Slice and Dice and its Drift from True Boglehead Philosophy |
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So I started my investment path as a daytrader a few months out of college. Not knowing what to do with a sudden inflow of cash supplied by my new job, i turned to the market in March of 2009. Some here may or may not be familiar with FAS and FAZ, which are leveraged ETFs trading at 3x the return of the financial market, FAS being long on financials and FAZ being short. How I did day-trading these stocks is irrelevant. What is relevant, however, focused on the discussion boards on google finance concerning these stocks. A poster on the google finance forum for both FAS/FAZ had, using extensive backtesting of data, devised a seemingly foolproof plan to perfectly time the opening 10 minutes of trading. His plan was devised such that if one bought either fas/faz based on pre-market percentage swings you could guaranteed yourself to make a huge profit. Using his backtested data, he set out rules to follow to ensure market crushing profits. Checking his data, his plan did seem to work, as long as the market kept behaving as it had the last 6 months. If it had behaved that way the last 6 months, why would it suddenly alter its behavior just becuase he had discovered this method?
Well, lo and behold, after garnering many followers on the board and convincing many people to test the method using as much margin as possible(its foolproof after all, right?), the market suddenly changed characteristics and I watched as people were wiped out. As it turns out, the plan relied heavily on the extremely volatile conditions of fall-winter-spring of 08/09 market. Once this method was discovered, the markets were already settling down and the method no longer worked.
After getting away from daytrading I google better investment strategies and learned about indexing.
Within indexing there are the two camps, S&D and TM(total market). I struggled for a while trying to decide which path to follow, but after taking a few steps back and looking at the big picture I deduced that the S&D method sounded an awful lot like the FAS/FAZ fiasco that unfolded earlier this year.
Now, I understand many people are going to scream and holler at me saying the French/Fama method tilting towards small cap/value stocks is based on 80 years of backtesting and isn't promising market crushing results. However, the truth of the matter is it IS based on backtesting, and it IS promising market-beating results, just to a much less severe degree than the FAS/FAZ method.
The fact that I read about such occurrences as "guaranteed 10000% return" methods in the Four Pillars and Boglehead's Guide after I had experienced such a debacle firsthand was nothing short of comical. The lesson was firmly cemented in my mind and that's why when I first learned of tilting towards small caps, it threw off many alarms.
It seems obvious that the tendency of small caps to outperform the market is simply a 'pattern' that has been discovered by extensive backtesting.
I'm not saying that people who S&D toward small caps are going to get wiped out, I just agree with Mr. Bogle who says that the probability they'll beat the market in the coming decades is slim, as the ugly RTM monster is out to get them. I also agree with Mr. Bogle in that the only thing you can count on is the market is going to go up, you just don't know what parts, so its best to own the whole market in its weighed proportions.
My point is, Boglehead's believe in NOT looking for sectors in the market that will outperform, and NOT relying on past data to predict the future. It seems all to clear to me that the S&D method blatantly violates BOTH of these principles and is kind of like a "diet" version of market speculation, i.e. a gamble. I am evening go so far as to say the S&D method attempts to highlight an inherent 'pattern' in the stock market. Yet I don't understand why so many Boglehead's follow it, maybe simply because it deals with indexing so they feel like its 'legal' in the Boglehead world? |
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MrMatt2532
Joined: 15 Mar 2009 Posts: 230
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Posted: Wed Jan 27, 2010 11:31 pm Post subject: |
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| No one is saying Small Value is a free lunch. There is more risk associated with it. Conversely, Large Growth has less risk. |
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DaveS
Joined: 15 Jun 2007 Posts: 619 Location: Reno, NV
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Posted: Thu Jan 28, 2010 1:19 am Post subject: |
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So if you don't want to slant a bit toward small and value and have a bit of international, and REIT then put all your money in Total Stock Market. As long as you don't trade in and out you will do fine. However over the 30 + years from now to your retirement, The S and D people are - based on all long term statistics, going to do 30 to 60% better than you. But thats only 1 to 2 % a year, not counting compounding. They will have a bit more volatility. But it's your money. Maybe you wont lose as much sleep during the volatile periods.
With any luck TrevorH will have the graphs ready for you to see. Dave |
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stlutz
Joined: 02 Jan 2009 Posts: 77
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Posted: Thu Jan 28, 2010 1:46 am Post subject: |
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I'm far from an authority here, but there are really 3 different approaches to slice and dice as I see it:
1) The market is 100% efficient. Any evidence that slice and dice has worked in the past (e.g. the last 100 years) in an anomaly and will not be repeated. If you don't replicate the weighting dictated by the market, you are doing it wrong and should be banished.
2) Slice and dice is a way to increase portfolio risk, and hopefully, portfolio return. The goal is to add assets like Emerging Markets, Microcap stocks, Canadian midcap value REITs etc. to try and juice things up in a more cost-effective way than 3x ETFs.
3) Slice and dice is a way to reduce portfolio risk. Different assets have differing correlations over time, and those correlations are likely to be repeated in the future. We can use a bunch of Excel functions to calculate the "efficient frontier" that will give you maximum return for minimum risk.
Okay, so I've been a little disingenuous with all of these, but the point is that all 3 approaches have evidence to support them and obvious problems. |
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heyyou
Joined: 20 Feb 2007 Posts: 894
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Posted: Thu Jan 28, 2010 2:01 am Post subject: |
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Fama and French's theory has held up for far longer than the daytrading scheme. It is based on as long a set of data as is available, from as many countries's markets as is available.
EXPECTED returns are related to risk. Small and SV are more risky, not a sure bet, so the higher reward may or may not arrive.
My opinion is that tilting toward higher risk equities is not much different than tilting towards more TSM than bonds. It is all about risk exposure. Swedroe's personal portfolio ratio has double the bonds to his high risk equity allocation, but that has the advantage of limiting his down side. Similar return as a 60/40 but with less total risk. |
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baw703916

Joined: 01 Apr 2007 Posts: 2353 Location: Northern Virginia
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Posted: Thu Jan 28, 2010 3:05 am Post subject: |
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There's a pretty fundamental distinction between day trading leveraged ETFs and buying SV funds. In the former you are not investing in anything--the ETFs don't even own any actual stocks, rather the tracking is created artificially with derivatives. But if you own SV funds, you are investing in small companies that the market isn't fond of (it has decided that they deserve a lower price per unit of book value than other companies). We can argue about the implications of why the market has assigned them a lower price: more risk, the perception of more risk, the market is throwing money at some bubble and find these stocks boring, etc. But you are buying indirect ownership of a large number of actual businesses.
Brad _________________ I don't foresee any Black Swans appearing in the future |
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SP-diceman
Joined: 05 Oct 2008 Posts: 1520
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Posted: Thu Jan 28, 2010 3:09 am Post subject: |
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Interesting perspective. One who day traded leveraged ETF's trying to spot "flaws" in thinking.
Do you think when McDonalds opened it was on every street corner?
Do you think when Microsoft opened everyone had windows?
The pattern you've spotted is called the "real world".
There are reasons why things happen.
Just because you cant connect the dots doesn't mean there's some hidden lie.
Thanks
SP-diceman |
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spam

Joined: 10 Jun 2008 Posts: 901
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Posted: Thu Jan 28, 2010 6:43 am Post subject: |
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From a psychological perspective, it is interesting to note that you are still trading in volitility. This time it is in emotional volitility. If you compare a strategy of trading faz / fas to rebalancing S/D with holding cap weight via tsm then you are again trading in opposing views.
Rebalancing a diversified portfolio to maintain a written allocation strategy each year is different than day trading 3x leveraged etfs. The flaw in your argument is that the analysis is based on the false claim of equivalence.
It would be more reasonable to compare day trading fas / faz to a strategy of day trading trading currency. Both are bad strategys imo. The typical slicer rebalances about once a year. How effective can you be as a day trader when you are limited to one trade per year? |
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neverknow
Joined: 05 Jun 2009 Posts: 1695
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Posted: Thu Jan 28, 2010 7:28 am Post subject: Re: Slice and Dice and its Drift from True Boglehead Philoso |
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| wklose99 wrote: |
It seems obvious that the tendency of small caps to outperform the market is simply a 'pattern' that has been discovered by extensive backtesting.
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I think your observation is correct. But here is the root of the observation; the path that Bogleheads follow is based on John Bogle -- it does not necessarily match up specifically with John Bogle. For instance, to the best of my knowledge John Bogle has never suggested anyone invest in REITs - other then the companies that are held in the indexes.
See the Boglehead WIKI and look to John Bogle. There are differences between what John Bogle has to say and what Bogleheads have to say --- and there are entire threads kept alive on this forum that are neither (as well as posters that are none of the above).
neverknow |
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wklose99
Joined: 12 Nov 2009 Posts: 31
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Posted: Thu Jan 28, 2010 10:19 am Post subject: |
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Like I said, people were going to scream and holler at me because I'm comparing daytrading leveraged ETFs to 'longterm' indexing. I am asking you all to look past that and recognize the underlying methods here are the same: people are basing their investing on backtested data which 'proves' a pattern that outpaces the market. The essence of Bogle-osophy is that we believe in 100% market efficiency, and therefore there is no repeating pattern that outpaces the market.
Tilting indexing is just a less severe way of saying "Stock X outpaced the market by Y% the last 10 years, so its going to continue to outpace the market by Y% in the future". S&D'ers are saying the same thing, just with an entire market sector.
Yes, I understand it involves increasing risk to increase gain. But Bogle's whole mentality is avoid 'greeding' after increased gain at the cost of increased risk because the efficient market average is there for the taking. The odds are stacked against you to beat it, so don't attempt it.
As Bogle says "When you pick sectors, you might be right or you might be wrong. Emotions take over. People tend to get into a sector after the good returns have already happened. It's the rowboat syndrome—investors look backwards, buying after the sector has done well and selling after the sector has done poorly. " |
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wklose99
Joined: 12 Nov 2009 Posts: 31
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Posted: Thu Jan 28, 2010 10:22 am Post subject: |
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| DaveS wrote: | So if you don't want to slant a bit toward small and value and have a bit of international, and REIT then put all your money in Total Stock Market. As long as you don't trade in and out you will do fine. However over the 30 + years from now to your retirement, The S and D people are - based on all long term statistics, going to do 30 to 60% better than you. But thats only 1 to 2 % a year, not counting compounding. They will have a bit more volatility. But it's your money. Maybe you wont lose as much sleep during the volatile periods.
With any luck TrevorH will have the graphs ready for you to see. Dave |
S&Ders always say its not a free lunch, but then they quote the "1 to 2 % a year, not counting compounding" statistic as though it is a free lunch. Again, this 1-2% is based on backtested data, a common and unfortunate method to base your long term investments. |
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ddb

Joined: 26 Feb 2007 Posts: 4386 Location: Manhattan
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Posted: Thu Jan 28, 2010 10:57 am Post subject: |
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| wklose99 wrote: | | Now, I understand many people are going to scream and holler at me saying the French/Fama method tilting towards small cap/value stocks is based on 80 years of backtesting and isn't promising market crushing results. However, the truth of the matter is it IS based on backtesting, and it IS promising market-beating results, just to a much less severe degree than the FAS/FAZ method. |
I haven't read the other responses yet, so I'm sure I'm repeating something already said, but it probably bears repeating anyway:
The FF model is not really based on backtesting. It is based on risk, and mostly confirmed via backtesting. Ditto the premise behind stocks in general, i.e. stocks are riskier and therefore have higher expected returns (also confirmed by backtesting). FF just took it a step further and said, "okay, we have an equity risk premium - are there other risk factors that also deliver premiums?"
Also, tilting to small and value does not promise "market-beating returns". In fact, it doesn't promise anything. What it does is increase EXPECTED returns with a corresponding increase in expected volatility.
I'll continue to beat the drum that it is completely illogical and irrational to believe in the equity risk premium but not to believe in the small cap or value premiums. There are sound risk-based reasons for all, and all are largely confirmed via historical performance. Additionally, there is no level of certainty that premiums will actually be earned for accepting any of these forms of risk, even over a 20- or 30-year period.
- DDB _________________ "I know that your friends are my friends and, uh... I've thought about that. You can have 'em" - PB |
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Indexer88
Joined: 05 Jan 2009 Posts: 404
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Posted: Thu Jan 28, 2010 11:04 am Post subject: |
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Welcome, wklose, and check out my TSM Philosophy thread for similar observations.
You've hit the nail on the head with the inherent condraction. I've always said SCV or Value is a sector play and that sector plays can become riskier. And that risk is not simple volatility.
The F/F model suggests that the size and value risk should be rewarded even in an efficient market. I argue that investors in equities will bid up SCV so that much of the premium will not be a permanent market feature. SCV is only 4.5% of the market. Slice and Dicer's don't want to hear they could underperform TSM for long periods. But see when you are on the path to 30-300% greater returns, things like risks, taxes, costs don't matter. |
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dbr
Joined: 04 Mar 2007 Posts: 4995
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Posted: Thu Jan 28, 2010 11:30 am Post subject: |
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| stlutz wrote: | I'm far from an authority here, but there are really 3 different approaches to slice and dice as I see it:
1) The market is 100% efficient. Any evidence that slice and dice has worked in the past (e.g. the last 100 years) in an anomaly and will not be repeated. If you don't replicate the weighting dictated by the market, you are doing it wrong and should be banished.
2) Slice and dice is a way to increase portfolio risk, and hopefully, portfolio return. The goal is to add assets like Emerging Markets, Microcap stocks, Canadian midcap value REITs etc. to try and juice things up in a more cost-effective way than 3x ETFs.
3) Slice and dice is a way to reduce portfolio risk. Different assets have differing correlations over time, and those correlations are likely to be repeated in the future. We can use a bunch of Excel functions to calculate the "efficient frontier" that will give you maximum return for minimum risk.
Okay, so I've been a little disingenuous with all of these, but the point is that all 3 approaches have evidence to support them and obvious problems. |
The only possible way S&D is interesting is 3). 1) and 2) are well known commonplaces.
It is my strong impression that the true advocates of S&D are advocating exactly 3). They may even be right, but personally I have no appetite to invest based on that kind of calculation and don't do it. |
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ddb

Joined: 26 Feb 2007 Posts: 4386 Location: Manhattan
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Posted: Thu Jan 28, 2010 11:47 am Post subject: |
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| Indexer88 wrote: | | The F/F model suggests that the size and value risk should be rewarded even in an efficient market. I argue that investors in equities will bid up SCV so that much of the premium will not be a permanent market feature. SCV is only 4.5% of the market. Slice and Dicer's don't want to hear they could underperform TSM for long periods. But see when you are on the path to 30-300% greater returns, things like risks, taxes, costs don't matter. |
I'm going to rewrite your above paragraph in a slightly different way, and tell me if it makes sense:
"The CAPM model suggests that the equity risk should be rewarded even in an efficient market. I argue that investors will bid up the price of equities so that much of the equity risk premium will not be a permanent market features. Equity investors don't want to hear that they could underperform fixed income for long periods. But see when you are on the path to 30-300% greater returns, things like risks, taxes, costs don't matter."
Does the above make sense to you? If yes, I assume you don't hold stocks. If no, then what makes it different from what you wrote?
- DDB _________________ "I know that your friends are my friends and, uh... I've thought about that. You can have 'em" - PB |
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Indexer88
Joined: 05 Jan 2009 Posts: 404
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Posted: Thu Jan 28, 2010 12:41 pm Post subject: |
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That it is a good question. However, I assume that there will be long periods were bonds will do better than stocks. Since 1980, people aren't used to that idea. I don't think the equity premium is a permanent market feature in the sense that one simple buys equities at any valuation and sits back to enjoy the premium over bonds.
And again, I believe that there may be a SV and Value premium. But with SCV there are also tax costs that aren't fully figured in. This is b/c SCV funds must sell stocks that have appreciated. Thus, even thought SCV and TSM are both equity assets, they have different cost and tax implications.
I actually think history has shown a SCV premium, but I also think the total markets adapt and react. |
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hafis50
Joined: 22 Jun 2007 Posts: 332
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Posted: Thu Jan 28, 2010 12:47 pm Post subject: |
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| stlutz wrote: | | 3) Slice and dice is a way to reduce portfolio risk. Different assets have differing correlations over time, and those correlations are likely to be repeated in the future. We can use a bunch of Excel functions to calculate the "efficient frontier" that will give you maximum return for minimum risk |
| heyyou wrote: | | My opinion is that tilting toward higher risk equities is not much different than tilting towards more TSM than bonds. It is all about risk exposure. Swedroe's personal portfolio ratio has double the bonds to his high risk equity allocation, but that has the advantage of limiting his down side. Similar return as a 60/40 but with less total risk. |
Doesn't this violate the market efficiency that the FF model assumes?
I'm not sure if the FF-model promises similar returns with less risk.
Maybe I misunderstand the model but I think:
By adding (small) value stocks you increase your overall portfolio risk = beta + small+ value risks.
It doesn't matter if you tilt your stock portfolio and increase investments in bonds or if you don't tilt and increase your investments in TSM.
It is the sum of all risks that counts.
If a TSM/bond portfolio and a TSM/value stocks/bond portfolio have the same expected factor loadings and the same expected return they must have the same expected risk.
But the dispersion of returns could be different.
(My hypothesis): During bad times the value risk will show up AND the beta and value risks will move in the SAME direction so that the tilted potfolio performs MUCH worse (fat-tail risk).
Losing 5 USD every year is the same risk like losing 10 USD every second year. Identical expected returns and losses but different dispersion of risk and return.
BUT although both portfolios have the same expected return and risk they can have a different distribution of risks and returns. This differences represent uncompensated RISKS and could mean that both portfolios will have different actual returns and standard deviations although they have the same expected risk and return.
Fama-French - Factor Correlations
| Quote: | | Edited to add: In the three-factor model, value stocks are always riskier than growth stocks because they are more exposed to a value-growth risk factor that is separate from market risk and is compensated differently in expected returns. In the three-factor model, portfolios of value and growth stocks have similar exposure to the market. This means that when there are big market moves, like those of the last few months, value and growth stocks (or at least diversified portfolios of value and growth stocks) move in much the same way. In other words, big market moves tend to dominate the returns on value and growth stocks alike |
Last edited by hafis50 on Thu Jan 28, 2010 2:06 pm; edited 1 time in total |
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SP-diceman
Joined: 05 Oct 2008 Posts: 1520
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Posted: Thu Jan 28, 2010 1:01 pm Post subject: |
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| Indexer88 wrote: | | However, I assume that there will be long periods were bonds will do better than stocks. Since 1980, people aren't used to that idea. |
Why not? Didnt it just happen?
What I think folks wont be used to is a long perod of
bond underperformance.
Thanks
SP-diceman |
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Roy
Joined: 10 Sep 2008 Posts: 433
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Posted: Thu Jan 28, 2010 1:45 pm Post subject: |
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| ddb wrote: | The FF model is not really based on backtesting. It is based on risk, and mostly confirmed via backtesting. Ditto the premise behind stocks in general, i.e. stocks are riskier and therefore have higher expected returns (also confirmed by backtesting). FF just took it a step further and said, "okay, we have an equity risk premium - are there other risk factors that also deliver premiums?"
Also, tilting to small and value does not promise "market-beating returns". In fact, it doesn't promise anything. What it does is increase EXPECTED returns with a corresponding increase in expected volatility.
I'll continue to beat the drum that it is completely illogical and irrational to believe in the equity risk premium but not to believe in the small cap or value premiums. There are sound risk-based reasons for all, and all are largely confirmed via historical performance. Additionally, there is no level of certainty that premiums will actually be earned for accepting any of these forms of risk, even over a 20- or 30-year period.
- DDB |
Indexer88 wrote:
The F/F model suggests that the size and value risk should be rewarded even in an efficient market. I argue that investors in equities will bid up SCV so that much of the premium will not be a permanent market feature. SCV is only 4.5% of the market. Slice and Dicer's don't want to hear they could underperform TSM for long periods. But see when you are on the path to 30-300% greater returns, things like risks, taxes, costs don't matter.
| ddb wrote: | I'm going to rewrite your above paragraph in a slightly different way, and tell me if it makes sense:
"The CAPM model suggests that the equity risk should be rewarded even in an efficient market. I argue that investors will bid up the price of equities so that much of the equity risk premium will not be a permanent market features. Equity investors don't want to hear that they could underperform fixed income for long periods. But see when you are on the path to 30-300% greater returns, things like risks, taxes, costs don't matter."
Does the above make sense to you? If yes, I assume you don't hold stocks. If no, then what makes it different from what you wrote? |
The posts by DDB are among the best on the topic of these risks. I hope both TSMers and "Tilters" pay attention.
It is the economic base (the "sound risk-based reasons") that underlie the various risks that is fundamental, and such has simply been demonstrated by historical data over particular periods. Backtest demonstration alone does not tell the complete story.
Fama & French commented in 2009: "There is no evidence that the portfolio of all US equity mutual funds has become increasingly tilted toward small and value stocks over time. The aggregate portfolio still looks a lot like the market portfolio."
Roy |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Thu Jan 28, 2010 2:02 pm Post subject: |
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| ddb wrote: | | I'll continue to beat the drum that it is completely illogical and irrational to believe in the equity risk premium but not to believe in the small cap or value premiums. There are sound risk-based reasons for all, and all are largely confirmed via historical performance. | Equities are riskier than bonds because of their place in the capital structure.
The risk associated with small and value is less clear. The cynical reading of FF is that SV outperformed, in an efficient market higher performance means higher risk, therefore SV is riskier.
What exactly are the "sound risk-based reasons" you reference? what are the risks of small and value?
| ddb wrote: | | Additionally, there is no level of certainty that premiums will actually be earned for accepting any of these forms of risk, even over a 20- or 30-year period. | Yes. One might even suffer major losses. |
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zhiwiller

Joined: 20 Feb 2007 Posts: 1198 Location: New York
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Posted: Thu Jan 28, 2010 2:22 pm Post subject: |
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| richard wrote: | | What exactly are the "sound risk-based reasons" you reference? what are the risks of small and value? |
It is harder to raise capital when you are small or distressed. |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Thu Jan 28, 2010 2:43 pm Post subject: |
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| zhiwiller wrote: | | richard wrote: | | What exactly are the "sound risk-based reasons" you reference? what are the risks of small and value? |
It is harder to raise capital when you are small or distressed. | What's the evidence that small companies have a higher cost of capital than larger companies? Other than the circular arguments regarding equity capital - higher historic returns means higher cost of capital?
Are you saying value means distressed? p/b is not an intuitive proxy for distress. Book is an accounting artifact with little real economic meaning. |
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ddb

Joined: 26 Feb 2007 Posts: 4386 Location: Manhattan
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Posted: Thu Jan 28, 2010 2:59 pm Post subject: |
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| richard wrote: | | What exactly are the "sound risk-based reasons" you reference? what are the risks of small and value? |
Common Risk Factors in the Returns on Stocks and Bonds by Fama and French (1993) answers the question much better than I ever could.
- DDB _________________ "I know that your friends are my friends and, uh... I've thought about that. You can have 'em" - PB |
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tetractys

Joined: 17 Mar 2007 Posts: 2356 Location: Salish Sea Region
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Posted: Thu Jan 28, 2010 3:23 pm Post subject: |
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| wklose99 wrote: | | Tilting indexing is just a less severe way of saying "Stock X outpaced the market by Y% the last 10 years, so its going to continue to outpace the market by Y% in the future". S&D'ers are saying the same thing, just with an entire market sector. |
Actually no. Generally S&D'ers are saying they have no idea what asset classes are going to do better or worse at any given time, so they hold several low correlating assets and rebalance between them, relatively selling high and buying low. -- Tet _________________ "Near panic conditions prevail in financial markets. People want to know what lies ahead. I cannot tell them because I do not know." -- George Soros |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Thu Jan 28, 2010 3:26 pm Post subject: |
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That paper is a good example of the circularity I mentioned earlier.
For example, they say for stocks, portfolios constructed using size and value factors capture strong common variations in returns. They then cite this as evidence that size and btm proxy for sensitivity to common risk factors in stock returns. (page #5, second full paragraph).
Nowhere do they say what actual economic risk underlie small and value. They just say that they've constructed a regression equation with statistical explanatory power, therefore the coefficients proxy for some unstated risk factors.
Was there some other part of the paper that I should read more carefully? (I have seen this paper before.)
They seem to be saying that there must be an economic risk, because small and value have been associated with higher returns. That's a far cry from identifying a risk. |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Thu Jan 28, 2010 3:37 pm Post subject: |
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Here's an excerpt from an interview with Fama (emphasis added):
Q: The other dimension, of course, is size. Now the size effect is very easy for those of us in the investment community to accept. The notion that small companies are riskier than large companies seems obvious.
A: That's not the reason the community accepts it. What they think is that small companies pay higher returns because they're unknown, or something like that. It's not because they're more risky. The risk, in my terms, can't be explained by the market. It means that, because they move together, there is something about these small stocks that creates an undiversifiable risk. That undiversifiable risk is why you get paid for holding them.
Q: What causes that risk?
A: You know, that's an embarrassing question because I don't know.
Q: Fascinating. I would assume that the risk is that small companies have a lower survival rate than large companies.
A: No. That's not it at all. The good news and the bad news about that is that the reason small companies don't survive is because some of them fail, others get merged; that's bad news and good news. Here's a fact I always use. First I say I don't know, but then I say it's fair. Here's my example. The 1980s were, supposedly, the longest period of continuous growth the country's seen since the second world war. Yet, in that decade, small stocks were in a depression. Small stock earnings never recovered from the '80-'81 recession. They were low the whole decade. The market was fooled every year by that, because in every previous recession, the small companies came back. Why did that happen in the '80s? I don't know. But it happened. And it tells you there is something about small stocks that makes them more risky. |
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Chuck
Joined: 21 May 2009 Posts: 728
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Posted: Thu Jan 28, 2010 3:40 pm Post subject: Re: Slice and Dice and its Drift from True Boglehead Philoso |
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| wklose99 wrote: | | ...as long as the market kept behaving as it had the last 6 months. If it had behaved that way the last 6 months, why would it suddenly alter its behavior just becuase he had discovered this method? |
The EMH says roughly if there is an exploitable inefficiency in the market, it will be exploited by somebody. |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Thu Jan 28, 2010 3:44 pm Post subject: |
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| tetractys wrote: | | Actually no. Generally S&D'ers are saying they have no idea what asset classes are going to do better or worse at any given time, so they hold several low correlating assets and rebalance between them, relatively selling high and buying low. | Fama French said that 3 factors explain equity portfolio returns. Are you saying there's another correlation/rebalancing factor?
The notion of a rebalancing bonus has been rather well discredited. |
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spam

Joined: 10 Jun 2008 Posts: 901
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Posted: Thu Jan 28, 2010 4:50 pm Post subject: |
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richard wrote:
| Quote: | | The notion of a rebalancing bonus has been rather well discredited. |
Interesting. Did you know that there is a also sizable community that believes that US astronauts did not walk on the moon?
So, is it a good thing, or a bad thing when an index reconstitutes? All that rebalancing to maintain market cap weighting is probably what made the S&P 500 index nearly the absolute worst investment of the decade. TSM is not much better in terms of performance either. |
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unclemick
Joined: 20 Feb 2007 Posts: 1204 Location: greater Kansas City
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Posted: Thu Jan 28, 2010 5:24 pm Post subject: |
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Hmmm - 1966 fresh out of college, individual stocks and active mutual funds, full service broker - some penthouse living, new sportscar - and then 73/74 - Vanguard active funds(multi asset or slice and dice in other words) - 77 S&P 500 Index availible in 401k - varied between 60/40 and Ben Graham's 50/50 Defensive Investor - 95 drifted toward Lifestrategy mod with some income lifters including High Yield Corp, REIT Index, Sm Cap Value Index and Norwegian widow stocks - 2006 Target Retirement plus a few good stocks.
I ah er managed to make every investment mistake(except perhaps commoditiy futures) mentioned by scholars as common investor mistakes along the way. Fairly expensive education.
Meanwhile back at the ranch - 401k first Index 500 became the big dog on the porch that carried me to the bulk(?maybe 80-90%) of my retirement).
heh heh heh - Nowadays I try to fake wisdom and tell my young relatives to buy Target Retirement early and often, have faith, and don't waste time with Financial Advisors, reading books or watching the market - unless it happens to be your day job.  |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Thu Jan 28, 2010 5:51 pm Post subject: |
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Fbone

Joined: 20 Jun 2009 Posts: 548
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Posted: Thu Jan 28, 2010 6:04 pm Post subject: |
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Deleted.
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Taylor Larimore Moderator

Joined: 27 Feb 2007 Posts: 9539 Location: Miami Florida
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Posted: Thu Jan 28, 2010 6:35 pm Post subject: Index fund managers don't sell at the low. |
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Hi Fbone:
| Quote: | | When the stock price drops (small bubble?) everyone is forced to sell at the low. |
Sorry, I don't understand. With an index fund, neither the fund manager or the fund shareholders are "forced to sell at the low."
Also, Bogleheads know that when a fund underperforms it is time to rebalance and buy at the low. _________________ Best wishes
Taylor
The Majesty of Simplicity |
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tetractys

Joined: 17 Mar 2007 Posts: 2356 Location: Salish Sea Region
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Posted: Thu Jan 28, 2010 6:57 pm Post subject: |
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| richard wrote: | | tetractys wrote: | | Actually no. Generally S&D'ers are saying they have no idea what asset classes are going to do better or worse at any given time, so they hold several low correlating assets and rebalance between them, relatively selling high and buying low. | Fama French said that 3 factors explain equity portfolio returns. Are you saying there's another correlation/rebalancing factor?
The notion of a rebalancing bonus has been rather well discredited. |
Nope didn't say there's any other factors for stocks besides the FF3. Maybe the 3 factors can be divided up into smaller factors--don't know. And to be honest, I've never seen the "notion of a rebalancing bonus" discredited in any credible way, ever. I've only seen inconclusive, simplified situational models. But that's irrelevant anyway. Rebalancing can be nothing more than a tool to maintain a portfolio risk profile, and when 2 assets dis-correlate, one will be more or less expensive in relation to the other.
Best regards, Tet _________________ "Near panic conditions prevail in financial markets. People want to know what lies ahead. I cannot tell them because I do not know." -- George Soros |
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Roy
Joined: 10 Sep 2008 Posts: 433
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Posted: Thu Jan 28, 2010 7:14 pm Post subject: |
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DDB's main points are correct.
Though, while F&F have discussed this in various venues, they mostly left it to others to identify the risks in peer-review. There are papers (not written by F&F) that have been mentioned in related threads like this (here and on other forums, and that does not include the newest papers). Many of these deal with the challenges of the economic cycle, though it is important to understand that not every economic crisis will have these risks manifest for those "distressed" asset classes, and not every period of "prosperity" will have them boom. (So "value timing" strategies are not likely to work.)
There are also Liquidity Risks that apply to small and value companies and these have been discussed in more recent peer-research papers (like Liu et al) but which risks have always been there. Indeed, whether those papers merely augment, or entirely supplant the F&F model (as having the greatest explanatory power) remains to be seen.
Obviously, and as also explained by Fama, none of this means one should or should not "tilt" to small and value, and preferential "tilts" can also go larger and growthier. It is up to each investor to target the dimensions of risk they deem appropriate.
But regardless of what one thinks of the papers, it is unlikely that the outperformance of small and value is related to a behavior that endures decades without being arbitraged away. That leaves risks of various kinds. Markets price risk. There is risk; and there is expected compensatory return—to varying degrees—in both stock and bond types.
Roy |
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diasurfer
Joined: 06 Jul 2007 Posts: 1469 Location: oahu
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Posted: Thu Jan 28, 2010 8:08 pm Post subject: |
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| richard wrote: |
Nowhere do they say what actual economic risk underlie small and value. They just say that they've constructed a regression equation with statistical explanatory power, therefore the coefficients proxy for some unstated risk factors.
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I'm a physical scientist by training and a biomedical engineer by profession. The engineer in me is perfectly satisfied with a statistical model that works well. It does the job. The scientist in me always wants to start with first principles and work toward a model from there.
I remember joining this forum, reading up on this slice and dice business, and being profoundly disappointed that at the heart of the matter we're talking about a regression model. It's interesting to contrast the arrogance of some posters who think anyone who doesn't "get it" about the three factors is an idiot, with the quotes from Fama above about it being an "embarrassing question".
Currently I have a prediction model based on a fancy type of regression called partial least squares that can predict whether tissue is healthy or cancerous if you measure its absorbance at three specific wavelengths. Ironically, enough, three factors! I'm trying to come up with an explanation for what makes these three special to make the paper a complete story before I submit it. Even if I can't explain it, the model still works though. We've already submitted the patent. Don't have to explain why it works to patent it, just how.
80 years of statistics has been enough for me to adopt small value tilting. Going forward, we'll see. I sure would find it more satisfying if there was a better explanation. Perhaps that makes me more likely to bail on it some day, but that's why my small/value tilt is quite modest.
Excellent posts richard. |
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Fbone

Joined: 20 Jun 2009 Posts: 548
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Posted: Thu Jan 28, 2010 9:43 pm Post subject: Re: Index fund managers don't sell at the low. |
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I failed to properly put my thoughts in writing ... again.
Thanks, Mr Larimore for your comments.
Deleted to avoid confusion.
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Doug1
Joined: 30 May 2009 Posts: 62
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Posted: Thu Jan 28, 2010 10:11 pm Post subject: |
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My $0.02 on this subject, which may be worth much less than $0.02.
People are now aware of the SCV premium. Also, it's relatively easy to take advantage of the SCV premium. That doesn't bode well for a future based on back tested assumptions of the SCV premium.
In taxable accounts, the increased taxation associated with SCV may negate the premium. That leaves tax advantaged accounts. My guess, with the emphasis on guess, is that the SCV premium will continue to exist, but it will decrease in size. IMO, there will be some unmet expectations among the slice and dice crowd in the future.
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Taylor Larimore Moderator

Joined: 27 Feb 2007 Posts: 9539 Location: Miami Florida
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Posted: Thu Jan 28, 2010 10:13 pm Post subject: Index funds buy and hold |
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Fbone:
| Quote: | | If/when it drops (OP says RTM) the index must sell as the prices falls. |
Index funds do not sell because prices fall. For example, the turnover of Vanguard's Total Market Index Fund was a low 5% in the 2008 bear market. It is the same today according to Morningstar.
To better understand when and why index funds sell securities, I respectfully suggest you read "All About Index Funds" written by Boglehead Rick Ferri. _________________ Best wishes
Taylor
The Majesty of Simplicity |
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hafis50
Joined: 22 Jun 2007 Posts: 332
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Posted: Fri Jan 29, 2010 5:55 am Post subject: |
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| tetractys wrote: | | ..., I've never seen the "notion of a rebalancing bonus" discredited in any credible way, ever. I've only seen inconclusive, simplified situational models. But that's irrelevant anyway. Rebalancing can be nothing more than a tool to maintain a portfolio risk profile, and when 2 assets dis-correlate, one will be more or less expensive in relation to the other. ] |
| spam wrote: | richard wrote:
| Quote: | | The notion of a rebalancing bonus has been rather well discredited. |
Interesting. Did you know that there is a also sizable community that believes that US astronauts did not walk on the moon? |
Spam, I believe some people must be living on the moon.
The popular notion of a rebalancing bonus was discredited by e.g. Sharpe, Fama/French and Bernstein because it was a mathematiucal mistake. Please demonstrate your superior mathematical knowledge and disprove Sharpe's and Bernstein's arguments.
It was discredited in many threads and you participated in the last one.
So how can you insist you are right if you NEVER had any arguments?
(Confirmation bias? overconfidence bias?)
The second popular argument that rebalancing restores a risk profile was rejected by Fama/Frenc and Sharpe although the popular wisdom may not be bad in many cases:
Rebalancing Bonusb
| Quote: | wbern, 02-13-2006,
9:15 PM | Post #2110932 |
...
There's a much, much simpler way to look at the RB, which is to realize
that rebalancing is a bet that an asset class with performance better than the rest of the portfolio in the past will have performance worse than the rest of the portfolio going forward, and vice versa.
...
1) In a random walk world, the return of rebalancing is zero. This is
why when you do rebalancing experiments using monte carlo, you see no
benefit.
2) In a momentum world, the return of rebalancing is negative. ....
3) In a mean reversion world, the return of rebalancing is positive. ......risk that you'll get into a 1990-2005 US-Japan situation. |
In this referenced lat thread Gekko presented a long-term study that found no rebalancing bonus. To earn a RB you must bet on momentum or mean reversion in markets.
In this paper Sharpe explains why rebalancing must be a contrarian strategy and why the belief that rebalancing restores risk profiles cannot be absolutely true.
Adaptive Asset Allocation Policies William F. Sharpe, November 2009
| Quote: | Bond and Stock Values in the United States
Consider a simple asset allocation policy that involves only U.S. bonds and U.S. stocks. Assume that the former are represented by the Barclays Capital (formerly Lehman) Aggregate U.S. Bond Index and the latter by the Wilshire 5000 U.S. Stock Index24.
Now, consider a balanced mutual fund that has chosen an asset allocation policy with 60% invested in U.S. stocks and 40% in U.S. bonds, using these two indices as benchmarks. Its goal is to provide its investors with a portfolio representative of the broad U.S. market of stocks and bonds...(p. 17)
...
Assume that our balanced fund opened its doors in February 1984, when the value of U.S. stocks was 59.62%of the total of stock and bond values. At the time, the fund with 60% in stocks, represented an investment in the U.S. bond and stock markets quite well and should have had a similar risk and expected return.
Now, fast forward to October, 1990. The market value of stocks is now 47.99% of the total but the fund has rebalanced to maintain its policy target of 60%. It is no longer representative of the market’s risk and return; instead, the fund is riskier, presumably with a higher expected return... (p. 19) |
Fama/French make the same argument:
Fama/French - Q&A: Is There a "New Normal"?
Quote:
What are the implications of the higher volatility we are experiencing now? We should start with two fundamental facts. First, the value-weight average of all investors' portfolios must be the market portfolio. Since stocks have fallen a lot more than bonds over the last two years, stocks are now a smaller fraction of the market portfolio. On average, investors have already reduced their allocation to equity. Second, for every seller there must be a buyer. We can't all sell stock. (As an aside, these two facts imply that - unless we drag market prices back to their former values - we cannot all rebalance back to the allocations we had two years ago.)
So, should you reduce your allocation to equity because volatility is higher now than it was two years ago? Again, the market has already reduced your allocation for you. There is no reason to go further unless (a) you are more pessimistic about the relative performance of stocks than the value-weight average of all other investors, (b...c....[/quote]
The same arguments should be valid for any kind of rebalancing (large vs. small stocks, etc.) |
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spam

Joined: 10 Jun 2008 Posts: 901
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Posted: Fri Jan 29, 2010 6:48 am Post subject: |
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Hafis50 wrote
| Quote: | | So, should you reduce your allocation to equity because volatility is higher now than it was two years ago? Again, the market has already reduced your allocation for you. There is no reason to go further unless (a) you are more pessimistic about the relative performance of stocks than the value-weight average of all other investors, |
Hi Hafis50,
A mathmatical proof which reduced allocation to equity in March 09 IS the problem. I bought more equities in March and not fewer.
Likewise, I do not want the market to "adjust" my equity allocation upward when prices are unreasonably high. I want to own FEWERequities and not more.
I pretty much want (and have done) the opposite of what you propose. If prices rise to the 14000 mark again, I will own fewer equities. If it dips to 6000, then I will own more.
Thank you for the comment. |
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hafis50
Joined: 22 Jun 2007 Posts: 332
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Posted: Fri Jan 29, 2010 7:48 am Post subject: |
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| spam wrote: | Hafis50 wrote
| Quote: | | So, should you reduce your allocation to equity because volatility is higher now than it was two years ago? Again, the market has already reduced your allocation for you. There is no reason to go further unless (a) you are more pessimistic about the relative performance of stocks than the value-weight average of all other investors, |
Hi Hafis50,
A mathmatical proof which reduced allocation to equity in March 09 IS the problem. I bought more equities in March and not fewer.
Likewise, I do not want the market to "adjust" my equity allocation upward when prices are unreasonably high. I want to own FEWERequities and not more.
I pretty much want (and have done) the opposite of what you propose. If prices rise to the 14000 mark again, I will own fewer equities. If it dips to 6000, then I will own more.
Thank you for the comment. |
Personal tastes and forecasts cannot prove or disprove anything.
And they are not decision rules for everybody .
I haven't proposed anything.
P.S.: I forgot this paper that bobcat2 had posted in the thread What does rebalancing for you? Not much .
It explains when rebalancing strategies work and when they don't.
Dynamic Strategies for Asset Allocation Andre F. Perold and William F. Sharpe
| Quote: | Strategies that "buy stocks as they f a l l . . . " give rise to concave payoff curves (which increase at a decreasing rate as one moves from left to right). That is, they tend not to have much downside protection, and to do relatively poorly in up markets. They generally do very well, however, in flat (but oscillating) markets.
Strategies that "sell stocks as they f a l l . . . " give rise to convex payoff curves (which increase at an increasing rate as one moves from left to right). They tend to do very poorly in flat (but oscillating) markets. But they tend to give good downside protection and to perform well in up markets.
Constant-mix and CPPI strategies are perhaps the simplest examples of concave and convex strategies, respectively.
Strategies giving convex payoff diagrams represent the purchase of portfolio insurance, while those giving concave diagrams represent its sale. 11 Concave and convex strategies may be seen as mirror images of one another on either side of buy-and-hold strategies. Every "buyer" of a convex strategy is a "seller" of a concave strategy, and vice versa. When the portfolio of one who buys a convex strategy is combined with the portfolio of the seller of that strategy, the result is a buy-andhold
position...
...That convex and concave strategies are mirror images of one another tells us that the more demand there is for one of these strategies, the more cosily its implementation will become, and the less healthy it may be for markets generally ...Generally, whichever strategy is "most popular" will subsidize the performance of the one that is "least popular." Over time, this will likely swell the ranks of investors following the latter and contain the growth of those following the former, driving the market toward a balance of the two... | [p.8 |
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wklose99
Joined: 12 Nov 2009 Posts: 31
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Posted: Fri Jan 29, 2010 8:46 am Post subject: |
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| richard wrote: | Here's an excerpt from an interview with Fama (emphasis added):
Q: The other dimension, of course, is size. Now the size effect is very easy for those of us in the investment community to accept. The notion that small companies are riskier than large companies seems obvious.
A: That's not the reason the community accepts it. What they think is that small companies pay higher returns because they're unknown, or something like that. It's not because they're more risky. The risk, in my terms, can't be explained by the market. It means that, because they move together, there is something about these small stocks that creates an undiversifiable risk. That undiversifiable risk is why you get paid for holding them.
Q: What causes that risk?
A: You know, that's an embarrassing question because I don't know.
Q: Fascinating. I would assume that the risk is that small companies have a lower survival rate than large companies.
A: No. That's not it at all. The good news and the bad news about that is that the reason small companies don't survive is because some of them fail, others get merged; that's bad news and good news. Here's a fact I always use. First I say I don't know, but then I say it's fair. Here's my example. The 1980s were, supposedly, the longest period of continuous growth the country's seen since the second world war. Yet, in that decade, small stocks were in a depression. Small stock earnings never recovered from the '80-'81 recession. They were low the whole decade. The market was fooled every year by that, because in every previous recession, the small companies came back. Why did that happen in the '80s? I don't know. But it happened. And it tells you there is something about small stocks that makes them more risky. |
That's interesting. Instead of looking at small cap from 1930s on, has anyone looked at small caps from say 1980-present? How do small caps compare to TM from that angle? Perhaps the 80s was the RTM for small cap? |
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Indexer88
Joined: 05 Jan 2009 Posts: 404
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Posted: Fri Jan 29, 2010 9:27 am Post subject: |
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Fama said in a interview: "Yet, in that decade [80;s], small stocks were in a depression. Small stock earnings never recovered from the '80-'81 recession. They were low the whole decade. The market was fooled every year by that, because in every previous recession, the small companies came back. Why did that happen in the '80s? I don't know. But it happened. And it tells you there is something about small stocks that makes them more risky."
Absolutely fascinating!
And yet after a decade of outperformance of SC, people are pouring their money in.... This is a time when reversion might very well matter.
This is fascinating that he/ they have no underlying reason to identify risk, but the market somehow does. "Earnings never recovered," but why not? Maybe competition in the world markets.
Radically overweighting your equities on a theory that does not have a explanation for risk does not sound like a great idea. |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Fri Jan 29, 2010 9:50 am Post subject: |
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| tetractys wrote: | | Nope didn't say there's any other factors for stocks besides the FF3. | FF said, in essence, the returns of an equity portfolio can be explained solely by the 3 FF factors. In other words, two portfolios with the same FF factor exposure have the same expected return. Take two portfolios with the same factor exposure (1) a buy and hold "middle" portfolio and (2) and barbell portfolio with rebalancing. If FF is right, they have the same expected return. If the two portfolios have the same expected return, then rebalancing does not increase expected return.
| tetractys wrote: | | Rebalancing can be nothing more than a tool to maintain a portfolio risk profile | This assumes that stocks and bonds each have constant risk levels, which is unlikely to be true. Rebalancing maintains a stock-bond ratio, not necessarily a risk level.
Also see the Fama quote from http://www.dimensional.com/fam.....html#more in hafis50's post
EDIT: add risk level comment.
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Fri Jan 29, 2010 9:56 am Post subject: |
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| Roy wrote: | | Though, while F&F have discussed this in various venues, they mostly left it to others to identify the risks in peer-review. | There is a large body of literature attempting to find economic risks underlying the 3 factor model. The size of this body of literature, number of possible explanations and lack of conclusiveness should tell us something.
Fama has admitted not being able to explain the risks in interviews, including the one I posted here. He has presumably seen the literature.
| Roy wrote: | | Obviously, and as also explained by Fama, none of this means one should or should not "tilt" to small and value, and preferential "tilts" can also go larger and growthier. It is up to each investor to target the dimensions of risk they deem appropriate. | Agreed
| Roy wrote: | | But regardless of what one thinks of the papers, it is unlikely that the outperformance of small and value is related to a behavior that endures decades without being arbitraged away. That leaves risks of various kinds. Markets price risk. There is risk; and there is expected compensatory return—to varying degrees—in both stock and bond types. | That's exactly the sort of circular argument I mentioned earlier. There has been outperformance, if markets are efficient there must be an underlying economic risk, therefore it's a risk story. |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Fri Jan 29, 2010 10:03 am Post subject: |
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| diasurfer wrote: | | 80 years of statistics has been enough for me to adopt small value tilting. Going forward, we'll see. I sure would find it more satisfying if there was a better explanation. Perhaps that makes me more likely to bail on it some day, but that's why my small/value tilt is quite modest. | I'm sure you know this, but for others, the problems with relying on past performance include inadequate amounts of data (we only have 4 independent 20 year periods), conditions may be different today than during the studied period and markets adapt to information. Statistics does not work well when the underlying distribution keeps changing
Thanks for the kind words. |
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richard
Joined: 20 Feb 2007 Posts: 3111
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Posted: Fri Jan 29, 2010 10:05 am Post subject: |
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| hafis50 wrote: | | The popular notion of a rebalancing bonus was discredited by e.g. Sharpe, Fama/French and Bernstein because it was a mathematiucal mistake. | Good post. Thanks |
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wklose99
Joined: 12 Nov 2009 Posts: 31
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Posted: Fri Jan 29, 2010 10:13 am Post subject: |
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| I'm curious Richard and DDB, Could you do a quick breakdown of yall's portfolios and what you hold? It would be much appreciated! |
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baw703916

Joined: 01 Apr 2007 Posts: 2353 Location: Northern Virginia
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Posted: Fri Jan 29, 2010 11:28 am Post subject: |
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I believe there is a rebalancing bonus. I'm reposting something I wrote on another thread yesterday:
| Quote: | To be sure, rebalancing also is a means of controlling risk, for instance rebalancing between stocks and bonds would have meant you weren't taking an unreasonable amount of equity risk when the market crashed, and that you have enough invested to participate in the recovery.
But rebalancing between the S&P 500 and the EAFE index has produced a genuine rebalancing bonus. I've done calculations for various 36-year periods, with different rebalancing intervals. For the period 1972-2007 (picking one at random that is fairly typical)
Annualized return of S&P 500: 11.20%
Annualized return of EAFE: 11.08%
A 50/50 initial AA, no rebalancing: 11.14%
Annual rebalancing: 11.45%
Rebalance every 3 years: 11.55%
In doing multi-year rebalancing, you have to be a little careful about getting "lucky" in which year you rebalance (say, rebalancing out of the EAFE just before the Nikkei crashed). But averaging over a number of starting years gives a expected rebalancing bonus of about 40 basis points for three year rebalancing over no rebalancing, and about 10 basis points over annual rebalancing.
Tha annualized returns peak for a rebalancing frequency of 2-4 years, which seems very consistent with FF's observation that RTM asserts itself in the 3-5 year time frame.
In a pure random walk world, there isn't any rebalancing bonus, as Bernstein has pointed out. So the fact that you can find one in rebalancing between two asset classes with essentially identical expected returns indicates that RTM (in the sense that the Fama and French paper identified) does occur. |
If there isn't a rebalancing bonus, then why does rebalancing between the S&P 500 and the EAFE over a 36 year period consistently produce an extra 30-40 bp of annualized return over that of either index? Maybe other calculations have miscalculated the rebalancing bonus or not properly done the risk adjustment, but that doesn't apply to this example. Both asset classes have essentially identical returns over the period. The EAFE has higher variance (due to currency fluctuations, which are necessarily uncompensated).
Best wishes,
Brad _________________ I don't foresee any Black Swans appearing in the future |
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