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	param	t-stat
$ω$	0.0669	6.97
$α$	0.0706	11.32
$β$	0.8990	101.14
$γ$	0.2434	5.18
$δ$	1.6357	10.90

V-Lab

Guinness Atkinson Sustainable Energy ETF APARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:20.03% (+0.36%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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