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	param	t-stat
$ω$	8.0627	4.41
$α$	0.0521	17.93
$β$	0.9793	201.29
$ν$	4.2985	5.27

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Ingevity Corp GAS-GARCH Student T Volatility Analysis

Volatility Prediction for Thursday, February 12th, 2026:39.95% (-0.12%)

Date Range:

Parameter Estimates

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