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	param	t-stat
$ω$	1.3658	5.52
$α$	0.0862	40.81
$β$	0.9908	552.30
$ν$	7.0007	7.70

V-Lab

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

Volatility Prediction for Tuesday, February 17th, 2026:13.75% (-0.88%)

Date Range:

Parameter Estimates

Other S&P 500 Index Analyses