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	param	t-stat
$ω$	1.2326	5.08
$α$	0.0999	7.44
$β$	0.8136	34.24
$γ_{1}$	-0.0145	-0.39
$γ_{2}$	0.0656	1.13
$γ_{3}$	-0.1167	-3.03
$γ_{4}$	0.1290	4.45
$γ_{5}$	-0.1165	-4.32
$γ_{6}$	0.0792	2.83
$γ_{7}$	-0.0020	-0.07
$γ_{8}$	-0.0531	-1.79
$γ_{9}$	0.0338	1.63

V-Lab

Southwest Gas Holdings Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:24.87% (+4.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Southwest Gas Holdings Inc Analyses