S&P GSCI Petroleum Spot Index GARCH Volatility Analysis
Volatility prediction for Thursday, June 18th, 2026
1 Day
48.54%
decreased by 1.94%
1 Week
48.33%
decreased by 2.15%
1 Month
47.52%
decreased by 2.96%
Analysis last updated: Wednesday, June 17, 2026 at 11:02 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0521 | 25.24 | |
| 0.0755 | 32.92 | |
| 0.9145 | 420.83 |
Estimation Period:
Jan 2, 1990 to Jun 12, 2026
Jan 2, 1990 to Jun 12, 2026
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