V-Lab
ICE US Coffee Arabica MF2-GARCH Volatility Analysis
Volatility prediction for Friday, August 7th, 2026
1 Day
42.30%
1 Week
41.64%
1 Month
40.29%
Analysis last updated: Friday, August 7, 2026 at 09:11 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 2000 to Jul 31, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.0758 | 19.80*** |
β GARCH Volatility persistence | 0.8516 | 81.06*** |
γ leverage Additional response to negative shocks | -0.0721 | -14.77*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0208 | 0.87 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0127 | 1.50 |
λ₃ tau persistence Long-term factor persistence | 0.9826 | 83.24*** |
Persistence:
0.891
Half-life:
6 days
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