US mid cap index returns

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US mid cap index returns chronicles the annual returns of US mid cap stocks as measured by stock indexes.

The growing proliferation of indexes from index providers, along with a corresponding growing number of index funds and ETFs, creates a number of issues for investors, since the index returns of the different providers result in a dispersion of both yearly and multi-period returns. Dispersion of returns is not as considerable an issue with Total Market indexes, but as we go into style and smaller size indexes, dispersion of return increases in magnitude. These return differences are mainly due to the differing methodologies index providers utilize in constructing their indexes. Different benchmarks cover varying ranges of stocks, have different selection criteria for growth versus value, and are even maintained and rebalanced differently. [1] Each index provider's suite of index funds occupies the following segment of the Index Strategy Box:

Fig.1. Index Strategy Box [2]

Mid cap blend index returns

The following table provides returns data for U.S. mid cap index returns.

Table.

Indexes: CRSP Mid Cap Index; Dow Jones U.S. Mid-Cap Total Stock Market Index; Morningstar Mid Cap Index; MSCI US Mid Cap 450 Index; Russell Midcap Index; S&P MidCap 400 Index

(view Google Spreadsheet in browser or download as xls, ods, or pdf)

Mid cap growth index returns

The following tables provide returns data for U.S. mid cap growth indexes.

Table.

Indexes: CRSP Mid Growth Index; Dow Jones U.S. Mid-Cap Growth Total Stock Market Index; Morningstar Mid Growth Index, MSCI US Mid Cap Growth Index; Russell Midcap Growth Index; S&P MidCap 400 Growth Index

(view Google Spreadsheet in browser or download as xls, ods, or pdf)

Mid cap value index returns

The following tables provide returns data for U.S. mid cap value indexes.

Table.

Indexes: CRSP Mid Cap Index; Dow Jones U.S. Mid-Cap Value Total Stock Market Index; Morningstar Mid Value Index; MSCI US Mid Cap Value Index; Russell Midcap Value Index; S&P MidCap 400 Value Index

(view Google Spreadsheet in browser or download as xls, ods, or pdf)

The table below shows the inception date for each index, as well as the initial date for any backdated data.

Index Inception Dates
Index Provider Inception Backdate data
Russell 1984 1984
S&P 1991 1983
MSCI 1996 1992
Morningstar 1998 1998
Dow Jones 2005 1991
CRSP 2012 2001

References

  1. The Case For Indexing, Christopher B. Philips and Frank J. Ambrosio, Vanguard Investment Counseling & Research, 2009, pp.12-13.
  2. Indexing in the 21st Century: Portfolio Solutions Inc.

External links

Methodologies

Data sources