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V-Lab

CBOT Corn GJR-GARCH Volatility Analysis

Volatility prediction for Thursday, November 12th, 2026

1 Day

20.69%

decreased by 0.58%

1 Week

21.06%

decreased by 0.21%

1 Month

22.34%

increased by 1.07%

Analysis last updated: Thursday, November 12, 2026 at 06:16 AM UTC

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Date Range:

from

11/11/2024

to

11/11/2026

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of CBOT Corn GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 17, 2000 to Nov 6, 2026

Model Insight

Volatility shocks decay with a half-life of 46 trading days, meaning a shock loses half its impact after approximately 46 days.

σ

GJR-GARCH Model

Tap to view equation

Shock decay: Shocks decay with a 46-day half-life
ParamValuet-stat
ωconst0.0565
4.66***
αARCH0.0615
4.33***
βGARCH0.9121
93.91***
γleverage0.0226
0.79

0.985

Persistence

46d

Half-life
σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0565
4.66***
α

ARCH

Response to squared shocks

0.0615
4.33***
β

GARCH

Volatility persistence

0.9121
93.91***
γ

leverage

Additional response to negative shocks

0.0226
0.79

Persistence:

0.985

Half-life:

46 days