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	param	t-stat
$ω$	0.0447	27.35
$α$	0.1285	22.48
$β$	0.8664	159.50
$γ$	0.7291	11.23
$δ$	0.9222	26.96

V-Lab

Vanguard S&P 500 Growth ETF APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:20.95% (-1.83%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vanguard S&P 500 Growth ETF Analyses