S&P GSCI Industrial Metals Spot Index MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 8th, 2026
1 Day
14.69%
decreased by 0.34%
1 Week
14.88%
decreased by 0.15%
1 Month
15.48%
increased by 0.45%
Analysis last updated: Wednesday, October 7, 2026 at 11:06 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 2, 2026Model Insight
Volatility shocks decay with a half-life of 15 trading days, meaning a shock loses half its impact after approximately 15 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 15-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 116 | |
| αARCH | 0.0491 | 5.34*** |
| βGARCH | 0.9005 | 67.18*** |
| γleverage | 0.0107 | 1.01 |
| λ₁tau intercept | 0.0106 | 1.24 |
| λ₂forecast adj. | 0.0772 | 1.72* |
| λ₃tau persistence | 0.9152 | 18.44*** |
0.955
Persistence15d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 116 | |
α ARCH Response to squared shocks | 0.0491 | 5.34*** |
β GARCH Volatility persistence | 0.9005 | 67.18*** |
γ leverage Additional response to negative shocks | 0.0107 | 1.01 |
λ₁ tau intercept Baseline long-term coefficient | 0.0106 | 1.24 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0772 | 1.72* |
λ₃ tau persistence Long-term factor persistence | 0.9152 | 18.44*** |
Persistence:
0.955
Half-life:
15 days
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