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CBOE S&P 500 One-Year Volatility Index GAS-GARCH Student T Volatility Analysis

Volatility prediction for Friday, May 22nd, 2026

1 Day

25.22%

increased by 3.24%

1 Week

27.50%

increased by 5.52%

1 Month

33.06%

increased by 11.08%

Analysis last updated: Friday, May 22, 2026 at 11:30 AM UTC

Date Range:

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graph of CBOE S&P 500 One-Year Volatility Index GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time