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	param	t-stat
$ω$	0.0267	19.39
$α$	0.0590	25.15
$β$	0.9448	660.24
$γ$	-0.0264	-7.14

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S&P GSCI Wheat Index GJR-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other S&P GSCI Wheat Index Analyses