Westlake Chemical operates as a manufacturer and marketer of basic chemicals, vinyls, polymers and building products. Co.'s segments are: Vinyls, which manufactures and markets polyvinyl chloride (PVC), vinyl chloride monomer, ethylene dichloride, chlor-alkali (chlorine and caustic soda), chlorinated derivative products and ethylene, as well as manufactures and sells building products fabricated from PVC, including residential siding, trim and mouldings, pipe and fittings for various water, sewer and industrial applications, profiles for windows and doors, and decking products; and Olefins, which manufactures and markets polyethylene, styrene monomer and various ethylene co-products. The WLK stock yearly return is shown above.
The yearly return on the WLK stock yearly return page and across the coverage universe of our site,
is a measure of the annual return over the calendar year 2018 for the given stock.
When performing this calculation it is important to factor in dividends, because a financial instrument's annual return is
more than just the change in price if that instrument pays a dividend or coupon.
One way to factor dividends into the return is simply to count them as cash — we don't do
that here. Instead, our website aims to empower investors
by performing the WLK annual return calculation with any dividends reinvested as applicable (on ex-dates).
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