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	param	t-stat
$ω$	0.8935	4.87
$α$	0.1471	0.71
$β$	0.0000	0.00
$γ_{1}$	-1.4094	-0.52

V-Lab

Vanguard High-Yield Actv ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:4.41% (+0.21%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Vanguard High-Yield Actv ETF Analyses