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	param	t-stat
$ω$	0.0188	22.32
$α$	0.0180	8.42
$β$	0.8977	485.51
$γ$	0.1380	26.79

V-Lab

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

Volatility Prediction for Wednesday, March 4th, 2026:13.39% (+2.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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