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	param	t-stat
$ω$	0.0138	0.00
$α$	0.0252	0.00
$β$	0.4466	0.00
$γ$	1.0000	0.00
$δ$	3.0000	0.01

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Nomura Tax-Free USA ETF APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

Parameter Estimates

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