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	param	t-stat
$ω$	0.0500	3.12
$α$	0.1755	18.11
$β$	0.9747	131.77
$γ$	-0.1190	-6.21

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Sigma-Aldrich Corp EGARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Sigma-Aldrich Corp Analyses