NYSE$WLK
Westlake Chemical Corp · Q1 2026 earnings
Q1 2026 earnings · · Investor relations
Briefing
Westlake reported Q1 2026 net sales of $2.65B and a net loss attributable to Westlake of $167M ($(1.31) per share).
Net sales decreased to $2.65 billion from $2.85 billion on lower pricing and volumes in olefins and vinyls. Westlake reported a net loss attributable to shareholders of $167 million, or $1.31 per diluted share, versus a $40 million loss and $0.31 per share.
- Net sales $2.65B (-7% YoY).
- Net loss to Westlake $(167)M; EPS $(1.31).
- Olefin and PVC margin pressure cited.
- Epoxy and downstream integration long-term strategy.
Headline financials
Revenue & EPS history
Westlake · Revenue · Quarterly
$2.65B
Forward guidance
MD&A discusses chlor-alkali/PVC cycle, capacity additions, and energy costs.
Tailwinds
- Integrated model provides downstream outlets.
- Potential cycle recovery in construction chemicals.
Headwinds
- Deep loss on weak pricing spreads.
- Capex and maintenance turnarounds affect volumes.
Historical earnings impact
How earnings announcements have historically affected this stock's price.
Avg. return before/after earnings
Based on 20 quarterly earnings reports · overlaid with Q1 2026
+0.4%
Avg return
Earnings day
+1.0%
Avg return
5 days after
+1.1%
Avg return
30 days after
51%
33 / 65 earnings
Positive
+12.1%
Q4 2025
Best reaction
-13.4%
Q1 2025
Worst reaction
| Quarter | Report date | Reaction (Day 0) | +5 days | +30 days |
|---|---|---|---|---|
| Q1 2026 | -4.6% | -6.9% | -19.4% | |
| Q4 2025 | +12.1% | +13.3% | +22.0% | |
| Q3 2025 | -7.0% | -9.1% | -9.1% | |
| Q1 2025 | -13.4% | -15.5% | -23.0% | |
| Q4 2024 | -0.2% | +2.4% | -7.4% | |
| Q3 2024 | +4.3% | +0.5% | -6.0% | |
| Q2 2024 | +7.5% | +9.4% | +2.2% | |
| Q1 2024 | +1.5% | +4.0% | +9.0% | |
| Q4 2023 | -6.0% | +2.8% | +3.2% | |
| Q3 2023 | +6.4% | +3.6% | +14.1% | |
| Q2 2023 | -2.5% | -1.3% | -1.3% | |
| Q1 2023 | +8.1% | +5.3% | +0.7% | |
| Q4 2022 | -3.2% | -0.9% | -12.6% | |
| Q3 2022 | +4.1% | +5.5% | +13.1% | |
| Q2 2022 | -2.8% | -2.9% | -0.9% | |
| Q1 2022 | +10.3% | +8.0% | +4.8% | |
| Q4 2021 | -0.9% | +2.4% | +17.4% | |
| Q3 2021 | +1.9% | +0.9% | -6.2% | |
| Q2 2021 | -1.7% | +0.3% | +6.9% | |
| Q1 2021 | +7.6% | +9.3% | +10.9% | |
| Q4 2020 | +0.8% | -2.1% | +0.6% | |
| Q3 2020 | -1.1% | +1.3% | +10.8% | |
| Q2 2020 | +0.9% | +7.4% | +9.7% | |
| Q1 2020 | +5.9% | +7.8% | +30.0% | |
| Q4 2019 | -2.8% | -4.1% | -42.7% | |
| Q3 2019 | +7.5% | +9.3% | -1.1% | |
| Q2 2019 | +0.5% | -0.6% | -2.8% | |
| Q1 2019 | -6.4% | -10.6% | -15.5% | |
| Q4 2018 | -1.2% | -6.6% | -13.8% | |
| Q3 2018 | +6.8% | +1.9% | -5.7% | |
| Q2 2018 | -7.5% | -6.7% | -12.1% | |
| Q1 2018 | -1.2% | +0.5% | +8.0% | |
| Q4 2017 | +1.6% | +4.1% | +6.2% | |
| Q3 2017 | +9.2% | +8.1% | +15.5% | |
| Q2 2017 | -1.9% | -2.5% | +8.9% | |
| Q1 2017 | +0.7% | -0.1% | +0.4% | |
| Q4 2016 | +4.7% | +3.2% | +5.8% | |
| Q3 2016 | +2.7% | +2.5% | +11.9% | |
| Q2 2016 | -0.1% | -4.0% | +12.0% | |
| Q1 2016 | -3.7% | — | — | |
| Q4 2015 | -7.0% | — | — | |
| Q3 2015 | +1.6% | — | — | |
| Q2 2015 | +7.1% | — | — | |
| Q1 2015 | -9.3% | — | — | |
| Q4 2014 | +0.1% | — | — | |
| Q3 2014 | -5.2% | — | — | |
| Q2 2014 | -1.9% | — | — | |
| Q1 2014 | +2.4% | — | — | |
| Q4 2013 | +2.1% | — | — | |
| Q3 2013 | +4.9% | — | — | |
| Q2 2013 | +4.6% | — | — | |
| Q1 2013 | +10.9% | — | — | |
| Q4 2012 | -5.2% | — | — | |
| Q3 2012 | -1.6% | — | — | |
| Q2 2012 | +11.2% | — | — | |
| Q1 2011 | -3.6% | — | — | |
| Q1 2012 | +1.3% | — | — | |
| Q1 2010 | -0.8% | — | — | |
| Q4 2011 | -0.8% | — | — | |
| Q4 2009 | -0.8% | — | — | |
| Q3 2010 | +4.7% | — | — | |
| Q3 2011 | +4.7% | — | — | |
| Q4 2010 | -9.3% | — | — | |
| Q2 2011 | -9.3% | — | — | |
| Q2 2010 | -9.3% | — | — |
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