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	param	t-stat
$ω$	0.0187	22.29
$α$	0.0175	8.25
$β$	0.8982	487.87
$γ$	0.1381	27.01

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S&P 500 Equal Weight Index (EWI) GJR-GARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

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Other S&P 500 Equal Weight Index (EWI) Analyses