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	param	t-stat
$ω$	0.0208	33.04
$α$	0.0798	37.19
$β$	0.9155	503.04
$γ$	0.7191	28.95
$δ$	1.1605	42.03

V-Lab

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

Volatility Prediction for Monday, February 9th, 2026:11.92% (-0.04%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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