Quanta Services Inc Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:48.06% (+4.67%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.1191 | 3.92 | |
| 0.0530 | 5.32 | |
| 0.9034 | 55.92 | |
| 0.0311 | 0.25 | |
| -0.2239 | -1.23 | |
| 0.3434 | 3.34 | |
| -0.1701 | -1.99 | |
| -0.0603 | -0.73 | |
| 0.2588 | 2.46 | |
| -0.4130 | -2.27 | |
| 0.4847 | 2.24 | |
| -0.4400 | -2.54 | |
| 0.3810 | 2.30 |
Estimation Period:
Feb 12, 1998 to Feb 6, 2026
Feb 12, 1998 to Feb 6, 2026
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