CBOE Volatility Index

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	param	t-stat
$ω$	0.2070	20.21
$α$	0.1636	30.99
$β$	0.8250	149.33
$γ$	-0.1031	-6.06
$δ$	1.4382	23.06

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Vinacomin - Nui Beo Coal APARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:30.75% (-0.75%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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