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	param	t-stat
$ω$	1.0000	9.86
$α$	0.0957	22.01
$β$	0.8307	156.12
$γ$	-0.0345	-2.96
$δ$	2.4335	27.66

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Vinacomin Halam Coal Jsc APARCH Volatility Analysis

Volatility Prediction for Tuesday, February 10th, 2026:50.01% (-1.08%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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