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	param	t-stat
$ω$	0.5655	8.19
$α$	0.1540	4.29
$β$	0.6687	9.03
$γ_{1}$	-0.0437	-2.96

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Ecovyst Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Monday, February 9th, 2026:36.25% (+2.67%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

Other Ecovyst Inc Analyses