State Street SPDR S&P 500 ETF Trust Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Tuesday, May 26th, 2026
1 Day
12.54%
decreased by 0.39%
1 Week
12.91%
decreased by 0.02%
1 Month
13.99%
increased by 1.06%
Analysis last updated: Friday, May 22, 2026 at 10:50 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7125 | 4.61 | |
| 0.1119 | 9.79 | |
| 0.8511 | 63.74 | |
| 0.0602 | 1.87 | |
| -0.1497 | -3.36 | |
| 0.1672 | 6.63 | |
| -0.1404 | -5.73 | |
| 0.1017 | 3.38 | |
| -0.0421 | -1.41 | |
| -0.0028 | -0.13 |
Estimation Period:
Jan 29, 1993 to May 22, 2026
Jan 29, 1993 to May 22, 2026
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