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	param	t-stat
$ω$	0.0045	7.29
$α$	0.0465	20.34
$β$	0.9535	357.13
$γ$	0.0870	4.03
$δ$	1.8093	26.55

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Chunghwa Telecom Co Ltd APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:11.55% (-0.23%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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