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	param	t-stat
$ω$	0.0931	11.46
$α$	0.0741	21.23
$β$	0.9175	293.50
$γ$	0.3278	14.59
$δ$	1.5884	26.00

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Cosan Ltd APARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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