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	param	t-stat
$ω$	0.0508	9.52
$α$	0.0618	8.00
$β$	0.9287	221.90
$γ$	-0.0093	-0.75

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Poval Kogyo Co Ltd GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:65.89% (-2.34%)

Date Range:

Parameter Estimates

News Impact Curve

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