CBOT Soybeans MF2-GARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
15.51%
decreased by 0.33%
1 Week
15.76%
decreased by 0.08%
1 Month
16.66%
increased by 0.82%
Analysis last updated: Saturday, October 24, 2026 at 04:06 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 15, 2000 to Oct 23, 2026Model Insight
Volatility shocks decay with a half-life of 55 trading days, meaning a shock loses half its impact after approximately 55 days.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 55-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 41 | |
| αARCH | 0.0702 | 6.55*** |
| βGARCH | 0.9265 | 68.63*** |
| γleverage | -0.0184 | -1.32 |
| λ₁tau intercept | 0.1138 | 0.39 |
| λ₂forecast adj. | 0.0186 | 0.81 |
| λ₃tau persistence | 0.9361 | 7.56*** |
0.988
Persistence55d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 41 | |
α ARCH Response to squared shocks | 0.0702 | 6.55*** |
β GARCH Volatility persistence | 0.9265 | 68.63*** |
γ leverage Additional response to negative shocks | -0.0184 | -1.32 |
λ₁ tau intercept Baseline long-term coefficient | 0.1138 | 0.39 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0186 | 0.81 |
λ₃ tau persistence Long-term factor persistence | 0.9361 | 7.56*** |
Persistence:
0.988
Half-life:
55 days
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