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	param	t-stat
$ω$	-0.0070	-5.02
$α$	0.0925	45.77
$β$	0.8847	399.22
$γ$	0.6285	40.18

V-Lab

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

Volatility Prediction for Tuesday, January 20th, 2026:10.14% (+0.93%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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