State Street SPDR S&P 500 ETF Trust Spline-GARCH Volatility Analysis
Volatility prediction for Monday, April 13th, 2026
1 Day
18.62%
decreased by 1.28%
1 Week
18.44%
decreased by 1.46%
1 Month
17.86%
decreased by 2.04%
Analysis last updated: Friday, April 10, 2026 at 10:35 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.7275 | 4.70 | |
| 0.1118 | 9.75 | |
| 0.8510 | 63.55 | |
| 0.0665 | 2.07 | |
| -0.1598 | -3.59 | |
| 0.1735 | 6.87 | |
| -0.1436 | -5.78 | |
| 0.1005 | 3.27 | |
| -0.0336 | -1.02 | |
| -0.0246 | -0.52 |
Estimation Period:
Jan 29, 1993 to Apr 10, 2026
Jan 29, 1993 to Apr 10, 2026
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