S&P GSCI Petroleum Spot Index GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
61.49%
increased by 0.61%
1 Week
61.29%
increased by 0.41%
1 Month
60.52%
decreased by 0.36%
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 | |
|---|---|---|
| 5.5679 | 5.04 | |
| 0.0561 | 51.12 | |
| 0.9949 | 993.88 | |
| 6.5559 | 8.28 |
Estimation Period:
Jan 2, 1990 to May 15, 2026
Jan 2, 1990 to May 15, 2026
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