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
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 7.0073 | 8.53 | |
| 0.1680 | 25.54 | |
| 0.9438 | 142.16 | |
| 4.8643 | 9.85 |
Estimation Period:
Jan 3, 2007 to May 15, 2026
Jan 3, 2007 to May 15, 2026
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