Invesco DB Commodity Index Tracking Fund MF2-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
16.96%
increased by 0.63%
1 Week
17.23%
increased by 0.90%
1 Month
18.53%
increased by 2.20%
Analysis last updated: Friday, October 23, 2026 at 10:42 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 3, 2006 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 12 trading days, meaning a shock loses half its impact after approximately 12 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 12-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 86 | |
| αARCH | 0.0399 | 2.23** |
| βGARCH | 0.8871 | 45.48*** |
| γleverage | 0.0381 | 1.91* |
| λ₁tau intercept | 0.1285 | 1.91* |
| λ₂forecast adj. | 0.6905 | 4.63*** |
| λ₃tau persistence | 0.2177 | 1.22 |
0.946
Persistence12d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 86 | |
α ARCH Response to squared shocks | 0.0399 | 2.23** |
β GARCH Volatility persistence | 0.8871 | 45.48*** |
γ leverage Additional response to negative shocks | 0.0381 | 1.91* |
λ₁ tau intercept Baseline long-term coefficient | 0.1285 | 1.91* |
λ₂ forecast adj. Forecast performance sensitivity | 0.6905 | 4.63*** |
λ₃ tau persistence Long-term factor persistence | 0.2177 | 1.22 |
Persistence:
0.946
Half-life:
12 days
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