CBOT Corn GJR-GARCH Volatility Analysis
Volatility prediction for Friday, July 17th, 2026
1 Day
28.34%
decreased by 0.34%
1 Week
28.43%
decreased by 0.25%
1 Month
28.74%
increased by 0.06%
Analysis last updated: Friday, July 17, 2026 at 05:15 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 17, 2000 to Jul 10, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 40% more than equivalent positive returns.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0580 | 18.75*** |
α ARCH Response to squared shocks | 0.0627 | 17.60*** |
β GARCH Volatility persistence | 0.9096 | 372.35*** |
γ leverage Additional response to negative shocks | 0.0250 | 3.39*** |
Persistence:
0.985
Half-life:
45 days
Other CBOT Corn Analyses
Other GJR-GARCH Analyses on Commodities