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	param	t-stat
$ω$	1.0884	5.92
$α$	0.0798	3.85
$β$	0.8582	24.60
$γ_{1}$	-0.0188	-1.51
$γ_{2}$	0.0392	2.24
$γ_{3}$	-0.0291	-3.45

V-Lab

Alphabet Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 18th, 2026:28.72% (-0.23%)

Date Range:

Parameter Estimates

News Impact Curve

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