State Street SPDR Portfolio TIPS ETF Spline-GARCH Volatility Analysis
Volatility Prediction for Tuesday, February 17th, 2026:3.96% (-0.07%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 1.5212 | 5.42 | |
| 0.1103 | 4.86 | |
| 0.8728 | 52.86 | |
| 0.0045 | 1.58 |
Estimation Period:
May 30, 2007 to Feb 13, 2026
May 30, 2007 to Feb 13, 2026
News Impact Curve
Volatility Forecasts
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