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	param	t-stat
$ω$	1.7283	10.36
$α$	0.0795	7.48
$β$	0.8556	46.00
$γ_{1}$	0.0492	5.73
$γ_{2}$	-0.0685	-5.27
$γ_{3}$	0.0262	2.93
$γ_{4}$	-0.0069	-1.10

V-Lab

Sony Group Corporation Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:35.52% (-1.35%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sony Group Corporation Analyses