Westlake (WLK) Operating Expenses (2010 - 2026)

Westlake has reported Operating Expenses for 17 years, with the latest figure at $254.0 million in Q1 2026.

• For the quarter ending Q1 2026, Operating Expenses rose 8.55% year-over-year to $254.0 million; the trailing twelve-month figure through Mar 2026 stood at $1.2 billion (up 18.46% YoY), and the FY2025 full-year result was $1.2 billion, up 23.01% from the prior year.
• Operating Expenses for Q1 2026 stood at $254.0 million, down from $372.0 million in the prior quarter.
• The five-year high for Operating Expenses was $372.0 million in Q4 2025, with the low at $206.0 million in Q3 2023.
• Average Operating Expenses over 5 years is $242.8 million, with a median of $228.0 million recorded in 2024.
• Year-over-year, Operating Expenses jumped 81.6% in 2022 and dropped 15.52% in 2025.
• Tracing WLK's Operating Expenses over 5 years: stood at $209.0 million in 2022, then gained by 17.7% to $246.0 million in 2023, then retreated by 4.88% to $234.0 million in 2024, then jumped by 58.97% to $372.0 million in 2025, then slumped by 31.72% to $254.0 million in 2026.
• The last three Operating Expenses figures came in at $254.0 million (Q1 2026), $372.0 million (Q4 2025), and $245.0 million (Q3 2025), per Business Quant data.

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