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	param	t-stat
$ω$	1.0530	7.96
$α$	0.1411	3.47
$β$	0.7399	9.23
$γ_{1}$	0.0140	0.45

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Invesco Rochester High Yield Municipal ETF Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:3.29% (+0.14%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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