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Basic Info

The S&P MidCap 400 Index, more commonly known as the S&P 400, is a stock market index from S&P Dow Jones Indices. The index serves as a barometer for the U.S. mid-cap equities sector and is the most widely followed mid-cap index.
Core Index Name S&P 400
Return Type Total Return
Currency Code USD
Category Hedge Type Not Hedged

Total Return Performance

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Name
1M
3M
6M
1Y
3Y
5Y
10Y
15Y
4.05%
4.69%
9.02%
10.79%
13.05%
8.92%
11.88%
10.96%
As of January 08, 2026. Returns for periods of 1 year and above are annualized.
View Periodic Total Returns Versus Peers
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Annual Performance

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Name
2019
2020
2021
2022
2023
2024
2025
YTD
26.20%
13.66%
24.76%
-13.06%
16.44%
13.93%
7.50%
3.83%
As of January 09, 2026.

Basic Info

The S&P MidCap 400 Index, more commonly known as the S&P 400, is a stock market index from S&P Dow Jones Indices. The index serves as a barometer for the U.S. mid-cap equities sector and is the most widely followed mid-cap index.
Core Index Name S&P 400
Return Type Total Return
Currency Code USD
Category Hedge Type Not Hedged