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	param	t-stat
$ω$	1.0039	8.99
$α$	0.1305	2.78
$β$	0.4851	2.41
$γ_{1}$	-0.1261	-2.12
$γ_{2}$	0.1863	2.47

V-Lab

Yappli Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:66.94% (+2.34%)

Date Range:

Parameter Estimates

News Impact Curve

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