The price indexes are price returns, which do not reinvest dividends. Copyright, 2014, Wilshire Associates Incorporated . Reprinted with permission. More information about the various indexes from Wilshire Associates can be found at http://www.wilshire.com/Indexes/.
Source: Wilshire Associates
Release: Wilshire Indexes
Wilshire Associates, Wilshire 4500 Price Index© [WILL4500PR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/WILL4500PR/, October 4, 2015.