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	param	t-stat
$ω$	1.1850	7.29
$α$	0.1422	8.17
$β$	0.7416	30.02
$γ_{1}$	-0.0024	-0.08
$γ_{2}$	0.0919	1.95
$γ_{3}$	-0.2227	-5.27
$γ_{4}$	0.2354	5.86
$γ_{5}$	-0.1598	-4.75
$γ_{6}$	0.0686	2.25
$γ_{7}$	0.0081	0.26
$γ_{8}$	-0.0394	-1.24
$γ_{9}$	0.0322	1.44

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Sumitomo Osaka Cement Co Ltd Zero Slope Spline-GARCH Volatility Analysis

Volatility Prediction for Friday, February 20th, 2026:27.73% (-2.06%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sumitomo Osaka Cement Co Ltd Analyses