CBOE S&P 500 9-Day Volatility Index GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, June 15th, 2026
1 Day
263.93%
increased by 4.05%
1 Week
242.19%
decreased by 17.69%
1 Month
213.51%
decreased by 46.37%
Analysis last updated: Monday, June 15, 2026 at 11:35 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 155.5925 | 18.96 | |
| 0.1136 | 10.64 | |
| 0.7736 | 50.69 | |
| 5.1492 | 3.22 |
Estimation Period:
Jan 3, 2011 to Jun 12, 2026
Jan 3, 2011 to Jun 12, 2026
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