S&P GSCI Copper Spot Index GJR-GARCH Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
22.65%
increased by 2.08%
1 Week
22.65%
increased by 2.08%
1 Month
22.68%
increased by 2.11%
Analysis last updated: Friday, May 15, 2026 at 11:07 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0235 | 17.25 | |
| 0.0416 | 16.28 | |
| 0.9410 | 483.80 | |
| 0.0123 | 3.03 |
Estimation Period:
Jan 2, 1990 to May 15, 2026
Jan 2, 1990 to May 15, 2026
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