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	param	t-stat
$ω$	1.0207	7.55
$α$	0.1395	3.41
$β$	0.7385	9.11
$γ_{1}$	-0.0187	-0.14

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Invesco Rochester High Yield Municipal ETF Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:3.22% (+0.14%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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