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	param	t-stat
$ω$	1.2025	5.14
$α$	0.2269	2.83
$β$	0.5557	5.04
$γ_{1}$	0.0767	0.51

V-Lab

Vanguard S T TAX EX Bond ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:1.26% (-0.06%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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