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	param	t-stat
$ω$	1.2963	4.53
$α$	0.2122	4.06
$β$	0.6185	10.38
$γ_{1}$	-0.2918	-2.68
$γ_{2}$	0.5338	3.01
$γ_{3}$	-0.3994	-2.77
$γ_{4}$	0.3110	2.69
$γ_{5}$	-0.2619	-1.64
$γ_{6}$	0.1215	0.62
$γ_{7}$	0.0302	0.20
$γ_{8}$	-0.0479	-0.41
$γ_{9}$	-0.1174	-0.87

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Rigel Pharmaceuticals Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 19th, 2026:51.36% (-2.99%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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