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	param	t-stat
$ω$	1.5273	8.52
$α$	0.0890	25.22
$β$	0.9812	404.30
$ν$	8.0790	4.58

V-Lab

State Street SPDR Portfolio S&P 400 Mid Cap ETF GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:14.60% (-0.75%)

Date Range:

Parameter Estimates

Other State Street SPDR Portfolio S&P 400 Mid Cap ETF Analyses