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	param	t-stat
$ω$	0.0161	12.55
$α$	0.0508	14.59
$β$	0.9450	289.89
$γ$	1.0000	13.17
$δ$	0.9783	14.00

V-Lab

Hennessy Sustainable ETF APARCH Volatility Analysis

Volatility Prediction for Wednesday, February 11th, 2026:9.59% (-0.24%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Hennessy Sustainable ETF Analyses