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	param	t-stat
$ω$	0.0082	12.28
$α$	0.0321	14.65
$β$	0.9663	898.05
$γ$	-0.0023	-0.69

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S&P GSCI Lead Spot Index GJR-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

Other S&P GSCI Lead Spot Index Analyses