S&P GSCI Zinc Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
21.13%
decreased by 0.04%
1 Week
21.16%
decreased by 0.01%
1 Month
21.30%
increased by 0.13%
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 | |
|---|---|---|
| 0.0075 | 10.57 | |
| 0.0377 | 13.64 | |
| 0.9681 | 651.89 | |
| -0.0167 | -4.97 |
Estimation Period:
Jan 7, 1991 to May 15, 2026
Jan 7, 1991 to May 15, 2026
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