State Street Health Care Select Sector SPDR ETF GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Monday, March 16th, 2026:16.79% (-1.06%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.2475 | 8.16 | |
| 0.0890 | 30.93 | |
| 0.9818 | 388.81 | |
| 7.4944 | 5.45 |
Estimation Period:
Dec 22, 1998 to Mar 13, 2026
Dec 22, 1998 to Mar 13, 2026
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