S&P GSCI Petroleum Spot Index GARCH Volatility Analysis
Volatility prediction for Monday, May 18th, 2026
1 Day
58.21%
decreased by 0.13%
1 Week
57.86%
decreased by 0.48%
1 Month
56.55%
decreased by 1.79%
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 | |
|---|---|---|
| 0.0515 | 24.97 | |
| 0.0754 | 32.93 | |
| 0.9148 | 421.58 |
Estimation Period:
Jan 2, 1990 to May 15, 2026
Jan 2, 1990 to May 15, 2026
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