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V-Lab

S&P 500 Index GJR-GARCH Volatility Analysis

Volatility prediction for Tuesday, April 21st, 2026

1 Day

11.98%

decreased by 0.32%

1 Week

12.20%

decreased by 0.10%

1 Month

12.94%

increased by 0.64%

Analysis last updated: Tuesday, April 21, 2026 at 12:20 AM UTC

Date Range:

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graph of S&P 500 Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

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