Russell 1000 Value Index GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, April 21st, 2026
1 Day
13.38%
decreased by 0.98%
1 Week
13.53%
decreased by 0.83%
1 Month
14.07%
decreased by 0.29%
Analysis last updated: Tuesday, April 21, 2026 at 12:05 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 1.3153 | 7.06 | |
| 0.1011 | 36.00 | |
| 0.9864 | 464.62 | |
| 7.7012 | 6.44 |
Estimation Period:
May 12, 2000 to Apr 17, 2026
May 12, 2000 to Apr 17, 2026
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