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	param	t-stat
$ω$	1.1122	7.51
$α$	0.1317	7.30
$β$	0.7596	26.61
$γ_{1}$	-0.0481	-0.99
$γ_{2}$	0.1135	1.58
$γ_{3}$	-0.0919	-2.03
$γ_{4}$	-0.0241	-0.56
$γ_{5}$	0.1245	2.59
$γ_{6}$	-0.1614	-3.26
$γ_{7}$	0.2238	4.19
$γ_{8}$	-0.2920	-4.46
$γ_{9}$	0.2222	3.38
$γ_{10}$	-0.0560	-1.06

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Nippon Carbon Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 13th, 2026:21.95% (+3.92%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Nippon Carbon Co Ltd Analyses