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	param	t-stat
$ω$	1.1764	6.19
$α$	0.2262	2.84
$β$	0.5559	5.03
$γ_{1}$	0.0490	1.30

V-Lab

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

Volatility Prediction for Wednesday, February 11th, 2026:1.30% (-0.03%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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