COMEX Gold MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 30th, 2026
1 Day
17.30%
decreased by 0.30%
1 Week
17.33%
decreased by 0.27%
1 Month
17.51%
decreased by 0.09%
Analysis last updated: Friday, October 30, 2026 at 05:15 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Aug 30, 2000 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 59 trading days, meaning a shock loses half its impact after approximately 59 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 59-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 126 | |
| αARCH | 0.0499 | 4.37*** |
| βGARCH | 0.9496 | 82.02*** |
| γleverage | -0.0223 | -1.54 |
| λ₁tau intercept | 0.8862 | 0.17 |
| λ₂forecast adj. | 0.3051 | 0.17 |
| λ₃tau persistence | 0.0000 | 0.00 |
0.988
Persistence59d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0499 | 4.37*** |
β GARCH Volatility persistence | 0.9496 | 82.02*** |
γ leverage Additional response to negative shocks | -0.0223 | -1.54 |
λ₁ tau intercept Baseline long-term coefficient | 0.8862 | 0.17 |
λ₂ forecast adj. Forecast performance sensitivity | 0.3051 | 0.17 |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.988
Half-life:
59 days
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