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	param	t-stat
$ω$	0.0055	2.19
$α$	0.1533	37.15
$β$	0.9717	693.11
$γ$	-0.1208	-26.57

V-Lab

S&P 100 Index EGARCH Volatility Analysis

Volatility Prediction for Wednesday, December 31st, 2025:11.47% (-0.40%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P 100 Index Analyses