V-Lab
Invesco DB Precious Metals Fund MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
25.30%
decreased by 0.62%
1 Week
25.28%
decreased by 0.64%
1 Month
25.25%
decreased by 0.67%
Analysis last updated: Saturday, September 19, 2026 at 02:24 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 5, 2007 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 34 trading days, meaning a shock loses half its impact after approximately 34 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 34-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 111 | |
| αARCH | 0.0780 | 4.56*** |
| βGARCH | 0.9137 | 53.01*** |
| γleverage | -0.0233 | -1.27 |
| λ₁tau intercept | 0.0064 | 0.68 |
| λ₂forecast adj. | 0.0191 | 1.12 |
| λ₃tau persistence | 0.9772 | 45.22*** |
0.980
Persistence34d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 111 | |
α ARCH Response to squared shocks | 0.0780 | 4.56*** |
β GARCH Volatility persistence | 0.9137 | 53.01*** |
γ leverage Additional response to negative shocks | -0.0233 | -1.27 |
λ₁ tau intercept Baseline long-term coefficient | 0.0064 | 0.68 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0191 | 1.12 |
λ₃ tau persistence Long-term factor persistence | 0.9772 | 45.22*** |
Persistence:
0.980
Half-life:
34 days
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