S&P GSCI Zinc Index Zero Slope Spline-GARCH Volatility Analysis
Volatility prediction for Monday, April 27th, 2026
1 Day
20.32%
decreased by 0.23%
1 Week
20.46%
decreased by 0.09%
1 Month
20.94%
increased by 0.39%
Analysis last updated: Friday, April 24, 2026 at 11:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9127 | 4.87 | |
| 0.0365 | 3.89 | |
| 0.9438 | 70.54 | |
| 0.0025 | 0.10 | |
| 0.0030 | 0.07 | |
| 0.0371 | 1.09 | |
| -0.1303 | -5.52 | |
| 0.1499 | 8.22 | |
| -0.0843 | -5.48 | |
| 0.0269 | 2.37 |
Estimation Period:
Jan 7, 1991 to Apr 24, 2026
Jan 7, 1991 to Apr 24, 2026
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