CBOE S&P 500 One-Year Volatility Index GJR-GARCH Volatility Analysis
Volatility prediction for Friday, May 22nd, 2026
1 Day
25.00%
increased by 0.31%
1 Week
28.72%
increased by 4.03%
1 Month
35.69%
increased by 11.00%
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 | |
|---|---|---|
| 0.6687 | 30.03 | |
| 0.3565 | 11.95 | |
| 0.6977 | 99.00 | |
| -0.2971 | -8.62 |
Estimation Period:
Jan 3, 2007 to May 15, 2026
Jan 3, 2007 to May 15, 2026
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