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	param	t-stat
$ω$	0.0190	21.34
$α$	0.1014	43.01
$β$	0.8825	385.86

V-Lab

S&P 500 Index GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:12.76% (-0.09%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other S&P 500 Index Analyses