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Bogleheads® wiki
- Investing Advice Inspired by Jack Bogle


John Bogle at BH15.jpgWelcome to the Bogleheads® wiki, a collaborative undertaking by members of the Bogleheads Community. This wiki is a reference resource for investors. Bogleheads emphasize starting early, living below one's means, regular saving, broad diversification, and sticking to one's investment plan.

If all this seems a bit overwhelming, relax and don't panic. A good place to begin is getting started. Returning visitors may be interested in our new pages.

Getting started

Today's featured article

The Bogleheads® follow a small number of simple investment principles that have been shown over time to produce risk-adjusted returns far greater than those achieved by the average investor. Many of these ideas are distilled from Nobel prize-winning financial economics research on topics like Modern Portfolio Theory and the Capital Asset Pricing Model. But they are very easy to understand and to implement, and they work.

In fact, the basis of all of these principles is the idea that successful investing is not a complicated process, and can be accomplished by anyone with a small amount of effort. (more...)

This week in financial history

June 19:

  • 1991 - The S&P MidCap 400 index was launched on this date. The S&P MidCap 400 provides investors with a benchmark for U.S. mid-sized companies. Source: S&P MidCap 400 index, factsheet

June 20:

  • 1977 - The Trans-Alaska pipeline began flowing oil on June 20, 1977. Source:Pipeline history

June 21:

June 24:

  • 1720 - The price of South Sea stock peaked at £1050 on June 24, 1720. The stock would collapse at the beginning of September, with the stock falling to £190. Source: Jonathan Barron Baskin, ‎Paul J. Miranti, Jr., A History of Corporate Finance, Cambridge University Press, pp.112 - 113.

June 25:

  • 1910 - The Postal Savings System was established by an Act of Congress. The system paid two percent interest per year. The legislation aimed to get money out of hiding, attract the savings of immigrants accustomed to saving at Post Offices in their native countries, provide safe depositories for people who had lost confidence in banks, and furnish more convenient depositories for working people. Initially, the minimum deposit was $1, and the balance in an account could not exceed $500, excluding interest. The system ended officially on July 1, 1967. Source: Postal Savings System, The United States Postal Service.

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Our Canadian sister site, Financial Wisdom Forum, and its finiki, the Canadian financial wiki has a similar focus, many like-minded members, and may be of interest as well.

Contributing to the wiki

Anyone can read the wiki. If you would like to edit it, you must first join the Bogleheads forum. Once you've joined, send a private message requesting access, and you can then become an editor. Information on editing the wiki is available on the left sidebar of every wiki page. Suggestions are welcome by posting in Suggestions for the Wiki.

If you see content in need of improvement, or a new page on a topic not yet covered, consider becoming an editor so that you can contribute to the site. If you find yourself writing a reply to a forum question that's been discussed a number of times before, consider creating a wiki page with the answer. Then you and others can reply to subsequent questions on that topic with a link and a quote of your text. That way, the Bogleheads Community both preserves our knowledge base and makes it more accessible, particularly to those using search engines.