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	param	t-stat
$ω$	1.3656	5.54
$α$	0.0865	41.07
$β$	0.9909	558.25
$ν$	7.0425	7.69

V-Lab

S&P 500 Index GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Tuesday, January 20th, 2026:8.88% (-0.45%)

Date Range:

Parameter Estimates

Other S&P 500 Index Analyses