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	param	t-stat
$ω$	-0.0055	-1.44
$α$	0.1025	28.24
$β$	0.8684	229.02
$γ$	0.6334	16.65

V-Lab

S&P 500 Index AGARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:12.96% (-0.97%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P 500 Index Analyses