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	param	t-stat
$ω$	1.3337	3.54
$α$	0.1376	8.25
$β$	0.8565	53.38
$γ_{1}$	0.0003	0.29

V-Lab

Invesco California AMT-Free Municipal Bond ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:5.32% (+1.18%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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