Westlake (WLK) Return on Invested Capital (2016 - 2026)

Westlake's Return on Invested Capital history runs 9 years deep, the most recent figure standing at 0.01% for Q1 2026.

• In Q1 2026, Return on Invested Capital fell 2.0% year-over-year to 0.01%; the TTM figure through Mar 2026 stood at 0.01% (down 2.0% YoY), while the FY2025 annual figure was 0.06%, down 10.0% from the prior year.
• Return on Invested Capital for Q1 2026 stood at 0.01%, up from 0.01% in the prior quarter.
• The five-year high for Return on Invested Capital was 1.31% in Q2 2023, with the low at 0.02% in Q3 2025.
• The 5-year median for Return on Invested Capital is 0.01% (2025), against an average of 0.1%.
• The sharpest annual moves came in 2023 and 2024: Return on Invested Capital soared 127 bps in 2023, then tumbled 131 bps in 2024.
• Westlake's Return on Invested Capital stood at 0.06% in 2022, then sank by 79 bps to 0.01% in 2023, then sank by 34 bps to 0.01% in 2024, then plunged by 281 bps to 0.01% in 2025, then increased by 28 bps to 0.01% in 2026.
• Business Quant data shows WLK's Return on Invested Capital at 0.01% in Q1 2026, 0.01% in Q4 2025, and 0.02% in Q3 2025.