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	param	t-stat
$ω$	0.0918	12.05
$α$	0.0614	14.84
$β$	0.9253	340.68
$γ$	0.0027	0.38

V-Lab

China Coal Energy Co Ltd GJR-GARCH Volatility Analysis

Volatility Prediction for Wednesday, February 25th, 2026:38.24% (-0.10%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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