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	param	t-stat
$ω$	0.8383	2.23
$α$	0.2255	3.20
$β$	0.0000	0.00
$γ_{1}$	13.8383	5.09
$γ_{2}$	-14.4153	-2.55
$γ_{3}$	-3.4390	-0.63
$γ_{4}$	6.9487	1.79
$γ_{5}$	-5.7633	-2.42
$γ_{6}$	4.6071	2.35
$γ_{7}$	-2.2571	-1.57
$γ_{8}$	0.8652	0.57
$γ_{9}$	-0.8502	-0.67

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Reviva Pharmaceuticals Holdings Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:160.21% (-1.02%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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