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	param	t-stat
$ω$	0.8212	9.34
$α$	0.0946	6.43
$β$	0.8303	35.07
$γ_{1}$	0.0042	0.20
$γ_{2}$	0.0223	0.63
$γ_{3}$	-0.0787	-2.28
$γ_{4}$	0.0948	2.74
$γ_{5}$	-0.0853	-2.58
$γ_{6}$	0.0870	2.47
$γ_{7}$	-0.0628	-1.73
$γ_{8}$	0.0186	0.67

V-Lab

The Cigna Group Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 23rd, 2026:30.39% (+0.38%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other The Cigna Group Analyses