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	param	t-stat
$ω$	1.2094	5.11
$α$	0.1002	7.31
$β$	0.8106	32.96
$γ_{1}$	-0.0259	-0.71
$γ_{2}$	0.0870	1.54
$γ_{3}$	-0.1369	-3.63
$γ_{4}$	0.1494	5.24
$γ_{5}$	-0.1377	-5.21
$γ_{6}$	0.1038	3.81
$γ_{7}$	-0.0371	-1.24
$γ_{8}$	0.0086	0.23
$γ_{9}$	-0.1132	-1.66

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Southwest Gas Holdings Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:20.47% (+5.66%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Southwest Gas Holdings Inc Analyses