V-Lab
CBOT Oats MF2-GARCH Volatility Analysis
Volatility prediction for Monday, September 21st, 2026
1 Day
49.44%
decreased by 3.71%
1 Week
49.12%
decreased by 4.03%
1 Month
49.68%
decreased by 3.47%
Analysis last updated: Saturday, September 19, 2026 at 04:10 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 14, 1999 to Sep 18, 2026Model Insight
Volatility shocks decay with a half-life of 1 trading day, meaning a shock loses half its impact after approximately 1 day.
σ
MF2-GARCH Model
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Shock decay: Shocks decay with a 1-day half-life
| Param | Value | t-stat |
|---|---|---|
| mwindow | 76 | |
| αARCH | 0.1091 | 2.71*** |
| βGARCH | 0.3664 | 1.65* |
| γleverage | -0.0559 | -1.33 |
| λ₁tau intercept | 0.2822 | 1.04 |
| λ₂forecast adj. | 0.0813 | 1.39 |
| λ₃tau persistence | 0.8739 | 8.70*** |
0.448
Persistence1d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 76 | |
α ARCH Response to squared shocks | 0.1091 | 2.71*** |
β GARCH Volatility persistence | 0.3664 | 1.65* |
γ leverage Additional response to negative shocks | -0.0559 | -1.33 |
λ₁ tau intercept Baseline long-term coefficient | 0.2822 | 1.04 |
λ₂ forecast adj. Forecast performance sensitivity | 0.0813 | 1.39 |
λ₃ tau persistence Long-term factor persistence | 0.8739 | 8.70*** |
Persistence:
0.448
Half-life:
1 days
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