V-Lab
Invesco DB Commodity Index Tracking Fund MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, September 23rd, 2026
1 Day
19.48%
decreased by 0.41%
1 Week
19.64%
decreased by 0.25%
1 Month
20.46%
increased by 0.57%
Analysis last updated: Tuesday, September 22, 2026 at 09:37 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 3, 2006 to Sep 18, 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
Tap to view equation
Shock decay: Shocks decay with a 12-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 86 | |
| αARCH | 0.0395 | 2.20** |
| βGARCH | 0.8865 | 45.05*** |
| γleverage | 0.0384 | 1.92* |
| λ₁tau intercept | 0.1257 | 1.90* |
| λ₂forecast adj. | 0.6996 | 4.79*** |
| λ₃tau persistence | 0.2130 | 1.23 |
0.945
Persistence12d
Half-lifeσ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 86 | |
α ARCH Response to squared shocks | 0.0395 | 2.20** |
β GARCH Volatility persistence | 0.8865 | 45.05*** |
γ leverage Additional response to negative shocks | 0.0384 | 1.92* |
λ₁ tau intercept Baseline long-term coefficient | 0.1257 | 1.90* |
λ₂ forecast adj. Forecast performance sensitivity | 0.6996 | 4.79*** |
λ₃ tau persistence Long-term factor persistence | 0.2130 | 1.23 |
Persistence:
0.945
Half-life:
12 days
Other Invesco DB Commodity Index Tracking Fund Analyses
Other MF2-GARCH Analyses on ETFs