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	param	t-stat
$ω$	1.0188	9.60
$α$	0.1525	7.84
$β$	0.7557	23.76
$γ_{1}$	-0.0144	-1.83
$γ_{2}$	0.0321	2.08

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Heilongjiang Interchina Water Treatment Co Ltd Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:58.92% (-4.68%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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