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	param	t-stat
$ω$	1.1357	6.86
$α$	0.1318	27.36
$β$	0.9750	240.69
$ν$	6.5868	6.65

V-Lab

Vanguard S&P 500 ETF GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:15.77% (+2.76%)

Date Range:

Parameter Estimates

Other Vanguard S&P 500 ETF Analyses