Westlake (WLK) Revenue (2010 - 2026)

Westlake's Revenue history runs 17 years deep, the most recent figure standing at $2.7 billion for Q1 2026.

• On a quarterly basis, Revenue fell 6.82% year-over-year to $2.7 billion in Q1 2026; TTM through Mar 2026 was $11.0 billion, a 8.63% decrease from a year earlier, with the FY2025 full-year figure at $11.2 billion, down 8.01% from the prior year.
• Revenue rose to $2.7 billion in Q1 2026 per WLK's latest filing, from $2.5 billion in the prior quarter.
• Across five years, Revenue topped out at $4.5 billion in Q2 2022 and bottomed at $2.5 billion in Q4 2025.
• The 5-year median for Revenue is $3.1 billion (2023), against an average of $3.2 billion.
• Across the five-year window, Revenue surged 72.08% in 2022 and dropped 27.48% in 2023, its largest moves.
• Year by year, Revenue stood at $3.3 billion in 2022, then declined by 14.34% to $2.8 billion in 2023, then climbed by 0.6% to $2.8 billion in 2024, then declined by 10.9% to $2.5 billion in 2025, then grew by 4.7% to $2.7 billion in 2026.
• Per Business Quant, the three latest WLK Revenue figures stand at $2.7 billion (Q1 2026), $2.5 billion (Q4 2025), and $2.8 billion (Q3 2025).