Measures mid-sized stocks. This cap-weighted index is a combination of 500 large and small stocks from the 501st largest in the
Wilshire 5000 to the 1,000th largest, by market cap, at June 30 of each year.
The 501st largest stock in the Wilshire 5000 to the 1,000th largest, by market cap.
Follows Wilshire 5000 membership guidelines.
Adjustments and Maintenance
Additions to the index are made once a year in June.
A security will be excluded from the index at the month-end following the day it stops trading.
Shares outstanding may be adjusted to reflect corporate events during the quarter; otherwise, shares outstanding are updated once a quarter.