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	param	t-stat
$ω$	1.9597	7.63
$α$	0.1255	9.85
$β$	0.8506	66.17
$γ_{1}$	0.0036	3.16
$γ_{2}$	-0.0036	-2.45

V-Lab

abrdn Healthcare Investors Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:26.33% (+7.72%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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