State Street SPDR Bloomberg 1-3 Month T-Bill ETF Asy. MEM Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Tuesday, May 26th, 2026
1 Day
1.18%
decreased by 0.21%
1 Week
1.18%
decreased by 0.21%
1 Month
1.18%
decreased by 0.21%
Analysis last updated: Friday, May 22, 2026 at 10:09 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0000 | 0.00 | |
| 0.5327 | 17.19 | |
| 0.5853 | 91.21 | |
| -0.2360 | -7.91 |
Estimation Period:
May 30, 2007 to May 22, 2026
May 30, 2007 to May 22, 2026
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