Westlake (WLK) Cost of Revenue (2010 - 2026)

Westlake's Cost of Revenue history runs 17 years deep, the most recent figure standing at $2.5 billion for Q1 2026.

• In Q1 2026, Cost of Revenue fell 2.83% year-over-year to $2.5 billion; the TTM figure through Mar 2026 stood at $10.3 billion (changed 0.07% YoY), while the FY2025 annual figure was $10.4 billion, up 1.69% from the prior year.
• Cost of Revenue for Q1 2026 stood at $2.5 billion, up from $2.4 billion in the prior quarter.
• The five-year high for Cost of Revenue was $3.2 billion in Q3 2022, with the low at $2.4 billion in Q4 2025.
• The 5-year median for Cost of Revenue is $2.6 billion (2023), against an average of $2.7 billion.
• The sharpest annual moves came in 2022 and 2023: Cost of Revenue soared 56.11% in 2022, then dropped 20.47% in 2023.
• Westlake's Cost of Revenue stood at $2.7 billion in 2022, then decreased by 3.84% to $2.6 billion in 2023, then slipped by 4.26% to $2.5 billion in 2024, then declined by 2.74% to $2.4 billion in 2025, then advanced by 3.84% to $2.5 billion in 2026.
• Business Quant data shows WLK's Cost of Revenue at $2.5 billion in Q1 2026, $2.4 billion in Q4 2025, and $2.6 billion in Q3 2025.