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	param	t-stat
$ω$	1.2057	5.64
$α$	0.1162	3.29
$β$	0.4119	3.15
$γ_{1}$	-0.0480	-0.20
$γ_{2}$	0.8756	2.36
$γ_{3}$	-1.4855	-4.76
$γ_{4}$	0.5538	1.96
$γ_{5}$	0.7727	3.53
$γ_{6}$	-1.4372	-6.94
$γ_{7}$	1.0529	5.04
$γ_{8}$	-0.1955	-0.74
$γ_{9}$	-0.0629	-0.11

V-Lab

SunCoke Energy Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:42.37% (+0.56%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other SunCoke Energy Inc Analyses