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	param	t-stat
$ω$	0.0260	20.76
$α$	0.0652	23.77
$β$	0.9211	491.77
$γ$	0.0079	1.82

V-Lab

S&P GSCI Corn Index GJR-GARCH Volatility Analysis

Volatility Prediction for Thursday, December 25th, 2025:15.63% (-0.09%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P GSCI Corn Index Analyses