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	param	t-stat
$ω$	1.2429	5.05
$α$	0.0897	35.44
$β$	0.9848	300.24
$ν$	4.3336	14.00

V-Lab

State Street SPDR Portfolio S&P 500 ETF GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:13.14% (-1.05%)

Date Range:

Parameter Estimates

Other State Street SPDR Portfolio S&P 500 ETF Analyses