State Street SPDR Portfolio Long Term Treasury ETF Spline-GARCH Volatility Analysis
Volatility Prediction for Thursday, February 12th, 2026:8.55% (-0.05%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.8518 | 6.27 | |
| 0.0609 | 5.39 | |
| 0.9002 | 53.92 | |
| -0.0179 | -0.75 | |
| 0.0085 | 0.25 | |
| 0.0569 | 2.64 | |
| -0.1590 | -5.17 |
Estimation Period:
May 30, 2007 to Feb 6, 2026
May 30, 2007 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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