State Street SPDR Portfolio Corporate Bond ETF GAS-GARCH Student T Volatility Analysis
Volatility Prediction for Thursday, February 12th, 2026:4.04% (-0.14%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.1791 | 13.12 | |
| 0.0910 | 25.84 | |
| 0.9781 | 572.35 | |
| 7.8330 | 6.34 |
Estimation Period:
Apr 7, 2011 to Feb 6, 2026
Apr 7, 2011 to Feb 6, 2026
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