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	param	t-stat
$ω$	0.2704	22.47
$α$	0.0899	21.15
$β$	0.8204	190.14
$γ$	0.0800	7.53

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Sumitomo Densetsu Co Ltd GJR-GARCH Volatility Analysis

Volatility Prediction for Monday, February 16th, 2026:19.52% (-0.01%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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