Ecovyst, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Stock-Based Compensation - Weighted Average Fair Value (Details)

Stock-Based Compensation - Weighted Average Fair Value (Details) - Grants, 2025 - Performance Stock Units	3 Months Ended
	Mar. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award
Expected dividend yield	0.00%
Risk-free interest rate	4.19%
Expected volatility	40.39%
Expected term (in years)	2 years 10 months 24 days

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details