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Parameter	Value	t-statistic
ω const Unconditional variance weight	0.9246	7.05***
α ARCH Response to squared shocks	0.1995	7.88***
β GARCH Volatility persistence	0.5143	8.15***
γ leverage Additional response to negative shocks	-1.0000	-904.97***
δ power Transformation power	0.5000	7.32***

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Estun Automation Co Ltd APARCH Volatility Analysis

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