S&P GSCI Grains Spot Index GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, April 23rd, 2026
1 Day
15.71%
decreased by 0.30%
1 Week
15.85%
decreased by 0.16%
1 Month
16.35%
increased by 0.34%
Analysis last updated: Wednesday, April 22, 2026 at 11:03 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0180 | 21.51 | |
| 0.0657 | 24.14 | |
| 0.9340 | 626.41 | |
| -0.0185 | -4.23 |
Estimation Period:
Jan 2, 1990 to Apr 17, 2026
Jan 2, 1990 to Apr 17, 2026
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