State Street SPDR Portfolio Long Term Corporate Bond ETF Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, February 12th, 2026:6.00% (-0.20%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.0724 | 8.50 | |
| 0.0872 | 4.06 | |
| 0.8335 | 24.94 | |
| 0.0198 | 0.74 | |
| -0.0406 | -0.97 | |
| 0.1016 | 3.57 | |
| -0.2567 | -6.57 |
Estimation Period:
Mar 11, 2009 to Feb 6, 2026
Mar 11, 2009 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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