Sonic Automotive Inc Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Friday, February 13th, 2026:38.63% (-1.19%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.1527 | 5.61 | |
| 0.0769 | 6.16 | |
| 0.8759 | 47.42 | |
| -0.0084 | -0.15 | |
| -0.0598 | -0.76 | |
| 0.2307 | 4.54 | |
| -0.3377 | -6.94 | |
| 0.2998 | 5.73 | |
| -0.1525 | -2.93 | |
| 0.0044 | 0.09 | |
| 0.0336 | 0.88 |
Estimation Period:
Nov 11, 1997 to Feb 6, 2026
Nov 11, 1997 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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