Westlake - 21 Year Stock Price History | WLK

Historical daily share price chart and data for Westlake since 2004 adjusted for splits and dividends. The latest closing stock price for Westlake as of January 03, 2025 is 111.98.
  • The all-time high Westlake stock closing price was 160.31 on April 09, 2024.
  • The Westlake 52-week high stock price is 162.64, which is 45.2% above the current share price.
  • The Westlake 52-week low stock price is 110.76, which is 1.1% below the current share price.
  • The average Westlake stock price for the last 52 weeks is 141.92.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Westlake Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 112.0550 112.1300 112.1300 111.9800 111.9800 -2.33%
2024 140.9435 138.7240 160.3111 113.2300 114.6500 -16.89%
2023 118.7043 96.2718 140.6361 96.2718 137.9454 38.38%
2022 103.2616 93.6527 135.1839 79.2070 99.6840 6.82%
2021 87.6466 77.4804 100.3960 72.5554 93.3165 20.51%
2020 55.6022 64.3491 79.7863 27.9507 77.4329 18.48%
2019 62.4208 61.8547 74.1596 52.0719 65.3553 7.72%
2018 89.5693 99.0511 112.4996 55.7664 60.6719 -37.27%
2017 66.1896 51.4484 96.7267 51.4484 96.7267 92.37%
2016 43.2221 47.3928 53.1367 35.5578 50.2810 4.69%
2015 55.5466 53.9287 68.8710 43.9150 48.0295 -10.06%
2014 64.7414 52.2087 85.2757 46.9177 53.4042 0.77%
2013 42.6268 35.8166 52.9945 33.9194 52.9945 55.24%
2012 26.1953 16.6094 34.4778 16.6094 34.1377 108.70%
2011 18.8988 17.7170 26.7838 13.1105 16.3574 -6.91%
2010 10.9570 10.1897 17.6200 7.0702 17.5715 76.04%
2009 8.3473 6.5988 11.2565 4.1339 9.9815 54.88%
2008 6.6500 7.4318 8.6501 4.9108 6.4445 -13.24%
2007 10.4819 12.4530 14.4100 7.2362 7.4278 -39.04%
2006 12.2088 11.2229 14.2197 10.2173 12.1850 9.40%
2005 11.3636 12.8480 14.2739 8.5921 11.1378 -13.44%
Sector Industry Market Cap Revenue
Basic Materials Chemicals - Plastics $14.432B $12.548B
Westlake is a diversified industrial company that manufactures and supplies essential products under one Westlake brand. Westlake products include food packaging, medical devices, soaps and detergents, car interiors, fashion, toys, shoes, furniture, electronics, siding, stone veneer, windows, outdoor living, roofing and pipe & fittings. Westlake Performance & Essential Materials businesses include polyethylene and vinyl chemicals production, which are vital to the manufacturing of polymers to protect food, medical and personal products and an extensive range of sectors and spaces, such as automotive interiors and exteriors, building materials, PVC pipes for agriculture, water systems and buildings, detergents, pharmaceuticals. Westlake Housing & Infrastructure Products produces finished goods and key materials in building products, pipe & fittings and custom compounds which are critical to the manufacturing of items including residential siding, architectural stone, roofing, windows and outdoor living.
Stock Name Country Market Cap PE Ratio
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Lightwave Logic (LWLG) United States $0.264B 0.00