S&P 500 Index Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 23rd, 2026:12.53% (-0.08%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.3688 | 7.97 | |
| 0.1017 | 10.05 | |
| 0.8647 | 72.18 | |
| 0.0912 | 6.83 | |
| -0.1447 | -6.70 | |
| 0.0852 | 5.40 | |
| -0.0593 | -4.02 | |
| 0.0596 | 3.10 | |
| -0.0644 | -2.09 |
Estimation Period:
Jan 1, 1990 to Feb 20, 2026
Jan 1, 1990 to Feb 20, 2026
News Impact Curve
Volatility Forecasts
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