State Street Health Care Select Sector SPDR ETF GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, December 15th, 2025:16.45% (-0.98%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2556 | 8.06 | |
| 0.0895 | 31.06 | |
| 0.9819 | 388.11 | |
| 7.4784 | 5.49 |
Estimation Period:
Dec 22, 1998 to Dec 12, 2025
Dec 22, 1998 to Dec 12, 2025
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