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	param	t-stat
$ω$	0.0351	30.74
$α$	0.0917	21.32
$β$	0.8992	243.62
$γ$	0.9835	15.02
$δ$	0.9720	32.67

V-Lab

Vanguard Total Stock Market ETF APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:14.17% (-0.18%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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