S&P GSCI Zinc Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
21.33%
increased by 0.10%
1 Week
21.43%
increased by 0.20%
1 Month
21.76%
increased by 0.53%
Analysis last updated: Friday, May 15, 2026 at 11:05 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9124 | 4.86 | |
| 0.0364 | 3.89 | |
| 0.9441 | 70.83 | |
| 0.0022 | 0.08 | |
| 0.0039 | 0.09 | |
| 0.0359 | 1.06 | |
| -0.1291 | -5.47 | |
| 0.1496 | 8.18 | |
| -0.0845 | -5.52 | |
| 0.0271 | 2.41 |
Estimation Period:
Jan 7, 1991 to May 15, 2026
Jan 7, 1991 to May 15, 2026
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