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	param	t-stat
$ω$	1.3580	7.85
$α$	0.0984	7.86
$β$	0.7918	29.86
$γ_{1}$	-0.1536	-5.63
$γ_{2}$	0.2648	6.60
$γ_{3}$	-0.1675	-5.55
$γ_{4}$	0.1078	3.46
$γ_{5}$	-0.0798	-2.50
$γ_{6}$	-0.0057	-0.18
$γ_{7}$	0.0888	2.13

V-Lab

Kddi Corp Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:21.02% (-0.89%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Kddi Corp Analyses