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	param	t-stat
$ω$	0.0405	12.17
$α$	0.0433	15.29
$β$	0.9450	473.47
$γ$	0.0130	3.20

V-Lab

Huaneng Power International Inc GJR-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 10th, 2026:32.83% (-0.69%)

Date Range:

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News Impact Curve

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