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	param	t-stat
$ω$	0.0390	5.70
$α$	0.0853	36.57
$β$	0.9147	149.97
$γ$	0.5662	7.21
$δ$	0.5992	6.15

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Sigma-Aldrich Corp APARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sigma-Aldrich Corp Analyses