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.

• On a quarterly basis, Return on Invested Capital fell 2.0% year-over-year to 0.01% in Q1 2026; TTM through Mar 2026 was 0.01%, a 2.0% decrease from a year earlier, with the FY2025 full-year figure at 0.06%, down 10.0% from the prior year.
• Return on Invested Capital rose to 0.01% in Q1 2026 per WLK's latest filing, from 0.01% in the prior quarter.
• Across five years, Return on Invested Capital topped out at 1.31% in Q2 2023 and bottomed 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%.
• Across the five-year window, Return on Invested Capital soared 127 bps in 2023 and plunged 131 bps in 2024, its largest moves.
• Year by year, Return on Invested Capital stood at 0.06% in 2022, then plunged by 79 bps to 0.01% in 2023, then plunged by 34 bps to 0.01% in 2024, then tumbled by 281 bps to 0.01% in 2025, then rose by 28 bps to 0.01% in 2026.
• Per Business Quant, the three latest WLK Return on Invested Capital figures stand at 0.01% (Q1 2026), 0.01% (Q4 2025), and 0.02% (Q3 2025).