WLK Market Cap History
Below is a table of the WLK market cap history going back to 2/18/2010:

Date WLK Market Cap
2/18/20101.35B
4/29/20101.94B
7/29/20101.64B
10/28/20102.12B
2/17/20113.05B
4/28/20114.33B
7/28/20113.33B
10/27/20112.85B
2/17/20124.02B
4/30/20124.26B
7/30/20124.01B
11/2/20125.20B
2/15/20136.14B
4/30/20135.55B
7/24/20136.60B
11/1/20137.12B
2/14/20148.62B
3/19/20148.92B
4/29/20149.41B
7/30/201411.94B
10/31/20149.39B
2/18/20158.83B
4/29/201510.40B
7/29/20158.34B
10/28/20157.78B
2/17/20165.75B
4/27/20166.80B
8/2/20165.66B
11/2/20166.49B
2/15/20178.27B
4/26/20178.33B
7/27/20179.05B
10/31/201710.96B
2/14/201814.25B
4/26/201814.06B
7/26/201813.77B
10/30/20189.14B
2/13/20199.96B
4/25/20199.23B
7/30/20198.68B
10/30/20198.35B
2/12/20208.59B
4/29/20205.95B
7/30/20207.04B
10/28/20208.34B
2/17/202111.11B
4/28/202112.27B
7/27/202110.64B
10/27/202112.25B
4/27/202216.47B
7/27/202212.10B

Also see: WLK Shares Outstanding History
and WLK YTD Return
WLK Historical Market Cap:
+19.28% CAGR
WLK Historical Market Cap: +19.28% CAGR

Mouse over chart for data details
2/18/2010 ...7/27/2022
Westlake operates as a manufacturer and marketer of performance and basic materials and housing and infrastructure products. Co.'s segments are: Performance and Essential Materials, which manufactures and markets polyethylene, styrene monomer, ethylene co-products, polyvinyl chloride (PVC), vinyl chloride monomer, ethylene dichloride, chlor-alkali (chlorine and caustic soda), and chlorinated derivative products, as well as ethylene and ethylene co-products; and Housing and Infrastructure Products, which manufactures and markets products including residential siding, trim and mouldings, stone, roofing, windows, outdoor living products, PVC pipe and fittings and PVC compounds. We show 51 historical shares outstanding datapoints in our WLK shares outstanding history coverage, used to compute WLK market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing WLK market cap history over the course of time is important for investors interested in comparing WLK's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of WLK versus a peer is one thing; comparing WLK market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like WLK can fluctuate over the course of history. With this page we aim to empower investors researching WLK by allowing them to research the WLK market cap history.
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Westlake Chemical (WLK) is categorized under the Materials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

WLKP Market Cap History
WMLP Market Cap History
WMS Market Cap History
WOR Market Cap History
WRK Market Cap History
WST Market Cap History
WULF Market Cap History
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ZEUS Market Cap History
ZIM Market Cap History
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