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	param	t-stat
$ω$	0.0316	32.39
$α$	0.0773	32.96
$β$	0.9123	438.60
$γ$	0.7943	27.45
$δ$	1.1040	36.00

V-Lab

Vanguard Extended Market ETF APARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:17.29% (+0.35%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vanguard Extended Market ETF Analyses