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	param	t-stat
$ω$	0.0052	2.85
$α$	0.1503	43.01
$β$	0.9790	1,074.67
$γ$	-0.1053	-33.53

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S&P 500 Equal Weight Index (EWI) EGARCH Volatility Analysis

Volatility Prediction for Tuesday, January 20th, 2026:10.27% (+0.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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