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	param	t-stat
$ω$	0.0289	15.90
$α$	0.0432	21.26
$β$	0.9508	399.67
$γ$	0.7611	15.46
$δ$	0.8324	17.29

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Merck & Co Inc APARCH Volatility Analysis

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News Impact Curve

Volatility Forecast

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