CBOE S&P 500 9-Day Volatility Index Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, December 29th, 2025:216.92% (-6.09%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9860 | 6.43 | |
| 0.1214 | 3.65 | |
| 0.5468 | 5.96 | |
| 0.0687 | 0.35 | |
| 0.0018 | 0.01 | |
| -0.1406 | -0.54 | |
| 0.1295 | 0.53 | |
| -0.1881 | -0.86 | |
| 0.3109 | 1.47 | |
| -0.5272 | -2.58 | |
| 0.7921 | 4.40 | |
| -0.6510 | -5.11 |
Estimation Period:
Jan 3, 2011 to Dec 26, 2025
Jan 3, 2011 to Dec 26, 2025
News Impact Curve
Volatility Forecasts
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