Historical daily stock prices for Westlake Chemical since 2004 adjusted for splits and dividends. Open, high, low, close (OHLC) data as well as percentage changes for multiple date ranges. Display 20, 50 and 200 day moving averages and export charts as images to use in articles and blogs. The latest closing price for Westlake Chemical (WLK) as of July 18, 2018 is 108.18.
||Chemicals - Plastics
Westlake Chemical Corporation is a vertically integrated international manufacturer and supplier of petrochemicals, polymers and fabricated products. The company's range of products includes ethylene, polyethylene, styrene, vinyl intermediates, PVC, PVC Pipe, PVC windows, fence and decking components.