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	param	t-stat
$ω$	0.0564	9.29
$α$	0.0381	3.50
$β$	0.9507	334.15
$γ$	1.0000	2.29
$δ$	1.1816	17.43

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Ingevity Corp APARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:31.85% (-0.70%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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