S&P GSCI Grains Spot Index GARCH Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
23.28%
increased by 1.24%
1 Week
23.25%
increased by 1.21%
1 Month
23.17%
increased by 1.13%
Analysis last updated: Friday, May 15, 2026 at 11:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0190 | 21.42 | |
| 0.0587 | 42.81 | |
| 0.9315 | 610.82 |
Estimation Period:
Jan 2, 1990 to May 15, 2026
Jan 2, 1990 to May 15, 2026
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