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	param	t-stat
$ω$	1.3608	7.41
$α$	0.1014	9.52
$β$	0.8715	71.75
$γ_{1}$	0.0813	5.66
$γ_{2}$	-0.1204	-5.24
$γ_{3}$	0.0616	3.72
$γ_{4}$	-0.0473	-3.14
$γ_{5}$	0.0495	2.99
$γ_{6}$	-0.0341	-2.72

V-Lab

S&P 500 Equal Weight Index (EWI) Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, March 4th, 2026:13.28% (+1.12%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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