State Street SPDR S&P 500 ETF Trust GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, April 13th, 2026
1 Day
18.19%
decreased by 1.36%
1 Week
18.20%
decreased by 1.35%
1 Month
18.23%
decreased by 1.32%
Analysis last updated: Friday, April 10, 2026 at 10:36 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.3749 | 6.56 | |
| 0.0925 | 41.56 | |
| 0.9892 | 563.99 | |
| 6.7689 | 9.02 |
Estimation Period:
Jan 29, 1993 to Apr 10, 2026
Jan 29, 1993 to Apr 10, 2026
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