V-Lab
CBOT Corn EGARCH Volatility Analysis
Volatility prediction for Monday, August 10th, 2026
1 Day
26.25%
decreased by 1.56%
1 Week
26.45%
decreased by 1.36%
1 Month
27.19%
decreased by 0.62%
Analysis last updated: Saturday, August 8, 2026 at 04:13 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 2000 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 37 trading days, meaning a shock loses half its impact after approximately 37 days.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0264 | 18.52*** |
α ARCH Response to squared shocks | 0.1520 | 33.66*** |
β GARCH Volatility persistence | 0.9815 | 825.46*** |
γ leverage Additional response to negative shocks | -0.0065 | -1.56 |
Persistence:
0.981
Half-life:
37 days
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