V-Lab
CBOT Soybeans MF2-GARCH Volatility Analysis
Volatility prediction for Monday, August 24th, 2026
1 Day
20.18%
1 Week
20.45%
1 Month
20.97%
Analysis last updated: Saturday, August 22, 2026 at 05:17 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2000 to Aug 21, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 25% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 41 | |
α ARCH Response to squared shocks | 0.0712 | 12.39*** |
β GARCH Volatility persistence | 0.8984 | 63.61*** |
γ leverage Additional response to negative shocks | -0.0144 | -2.63*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0378 | 2.87*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.0507 | 1.45 |
λ₃ tau persistence Long-term factor persistence | 0.9327 | 22.70*** |
Persistence:
0.962
Half-life:
18 days
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