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	param	t-stat
$ω$	0.0292	17.00
$α$	0.0887	22.40
$β$	0.9022	221.68
$γ$	0.7530	14.50
$δ$	0.9571	17.92

V-Lab

Vanguard International Dividend Appreciation ETF APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:13.11% (+0.99%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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