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	param	t-stat
$ω$	0.7695	5.89
$α$	0.0738	7.48
$β$	0.8863	65.05
$γ_{1}$	0.0559	2.64
$γ_{2}$	-0.0909	-3.04
$γ_{3}$	0.0528	2.67
$γ_{4}$	-0.0539	-2.51
$γ_{5}$	0.0732	3.22
$γ_{6}$	-0.0446	-2.26
$γ_{7}$	0.0031	0.23

V-Lab

Spire Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:21.98% (+2.46%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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