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S&P MidCap 400 Index GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, April 21st, 2026

1 Day

18.37%

decreased by 0.74%

1 Week

18.38%

decreased by 0.73%

1 Month

18.40%

decreased by 0.71%

Analysis last updated: Monday, April 20, 2026 at 11:01 PM UTC

Date Range:

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to

6M ·

1Y ·

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graph of S&P MidCap 400 Index GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time