Westlake Corporation Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Westlake Corporation (WLK) reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate of 4.30% for the 12-month period ending 2025-12-31, per its 10-K filed 2026-02-26.
Financial Statements › Notes › Compensation Related Costs › Share-Based Payment Arrangement, Disclosure › Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate · last filed 2026-02-26
- Westlake Corporation share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate for the quarter ending 2012-03-31 was 1.00%, a 64.29% decline year-over-year.
- Westlake Corporation share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate for the quarter ending 2011-03-31 was 2.80%.
- Westlake Corporation share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate for fiscal 2025 was 4.30%, a 0.00% change from fiscal 2024.
- Westlake Corporation share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate for fiscal 2024 was 4.30%, a 7.50% increase from fiscal 2023.
- Westlake Corporation share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate for fiscal 2023 was 4.00%, a 122.22% increase from fiscal 2022.
- Westlake Corporation share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate for fiscal 2022 was 1.80%, a 200.00% increase from fiscal 2021.
| Period end | Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 3 month | Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 6 month | Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate 12 month |
|---|---|---|---|
| 2025-12-31 | 4.30% 10-K · filed 2026-02-26 | ||
| 2024-12-31 | 4.30% 10-K · filed 2026-02-26 | ||
| 2023-12-31 | 4.00% 10-K · filed 2026-02-26 | ||
| 2022-12-31 | 1.80% 10-K · filed 2025-02-25 | ||
| 2021-12-31 | 0.60% 10-K · filed 2024-02-22 | ||
| 2020-12-31 | 1.40% 10-K · filed 2023-02-22 | ||
| 2019-12-31 | 2.50% 10-K · filed 2022-02-23 | ||
| 2018-12-31 | 2.70% 10-K · filed 2021-02-24 | ||
| 2017-12-31 | 2.10% 10-K · filed 2020-02-19 | ||
| 2016-12-31 | 1.40% 10-K · filed 2019-02-20 | ||
| 2015-12-31 | 1.70% 10-K · filed 2018-02-21 | ||
| 2014-12-31 | 1.60% 10-K · filed 2017-02-22 | ||
| 2013-12-31 | 0.90% 10-K · filed 2016-02-24 | ||
| 2012-12-31 | 1.00% 10-K · filed 2015-02-25 | ||
| 2012-06-30 | 1.00% 10-Q · filed 2012-08-03 | ||
| 2012-03-31 | 1.00% 10-Q · filed 2012-05-02 | ||
| 2011-12-31 | 2.80% 10-K · filed 2014-02-21 | ||
| 2011-06-30 | 2.80% 10-Q · filed 2012-08-03 | ||
| 2011-03-31 | 2.80% 10-Q · filed 2012-05-02 | ||
| 2010-12-31 | 2.90% 10-K · filed 2013-02-22 | ||
| 2009-12-31 | 2.80% 10-K · filed 2012-02-23 |
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