ICE US Cocoa MF2-GARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Thursday, July 16th, 2026
1 Day
72.85%
1 Week
72.86%
1 Month
72.92%
Analysis last updated: Thursday, July 16, 2026 at 10:04 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 3, 2000 to Jul 10, 2026Model Insight
With persistence 1.000, volatility shocks have a half-life of 15576 trading days (~61.8 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
Inverse leverage: Positive returns increase volatility 71% more than negative returns
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 126 | |
α ARCH Response to squared shocks | 0.0324 | 24.18*** |
β GARCH Volatility persistence | 0.9742 | 997.18*** |
γ leverage Additional response to negative shocks | -0.0134 | -8.45*** |
λ₁ tau intercept Baseline long-term coefficient | 7.5831 | 0.64 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.9287 | 8.31*** |
Persistence:
1.000
Half-life:
15576 days
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