CBOT Rough Rice MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, July 8th, 2026
1 Day
27.38%
increased by 3.32%
1 Week
27.44%
increased by 3.38%
1 Month
27.62%
increased by 3.56%
Analysis last updated: Wednesday, July 8, 2026 at 02:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 1999 to Jun 26, 2026Model Insight
Volatility shocks decay with a half-life of 36 trading days, meaning a shock loses half its impact after approximately 36 days.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 91 | |
α ARCH Response to squared shocks | 0.0838 | 24.54*** |
β GARCH Volatility persistence | 0.8969 | 183.87*** |
γ leverage Additional response to negative shocks | 0.0006 | 0.13 |
λ₁ tau intercept Baseline long-term coefficient | 0.5601 | 0.27 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0000 | 0.00 |
λ₃ tau persistence Long-term factor persistence | 0.8295 | 1.34 |
Persistence:
0.981
Half-life:
36 days
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