V-Lab
CBOT Corn MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 2nd, 2026
1 Day
30.89%
decreased by 2.24%
1 Week
30.36%
decreased by 2.77%
1 Month
29.44%
decreased by 3.69%
Analysis last updated: Friday, October 2, 2026 at 05:16 AM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 2000 to Sep 25, 2026Model Insight
This asset exhibits a strong leverage effect: negative returns increase next-day volatility 125% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 125% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 46 | |
| αARCH | 0.0449 | 2.78*** |
| βGARCH | 0.7475 | 15.68*** |
| γleverage | 0.0561 | 2.06** |
| λ₁tau intercept | 0.7325 | 3.50*** |
| λ₂forecast adj. | 0.7726 | 4.18*** |
| λ₃tau persistence | 0.0000 | 0.00 |
0.820
Persistence4d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 46 | |
α ARCH Response to squared shocks | 0.0449 | 2.78*** |
β GARCH Volatility persistence | 0.7475 | 15.68*** |
γ leverage Additional response to negative shocks | 0.0561 | 2.06** |
λ₁ tau intercept Baseline long-term coefficient | 0.7325 | 3.50*** |
λ₂ forecast adj. Forecast performance sensitivity | 0.7726 | 4.18*** |
λ₃ tau persistence Long-term factor persistence | 0.0000 | 0.00 |
Persistence:
0.820
Half-life:
4 days
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