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	param	t-stat
$ω$	2.6714	11.72
$α$	0.1997	4.68
$β$	0.4335	5.85
$γ_{1}$	0.0214	4.46
$γ_{2}$	-0.0267	-3.10
$γ_{3}$	0.0137	1.24

V-Lab

HealthStream Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:28.98% (+2.92%)

Date Range:

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News Impact Curve

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