Westlake Corporation (WLK)
NYSE: WLK · Real-Time Price · USD
76.07
+0.58 (0.77%)
At close: Jul 13, 2026, 4:00 PM EDT
76.10
+0.03 (0.04%)
After-hours: Jul 13, 2026, 7:50 PM EDT
Westlake Market Cap
Westlake has a market cap or net worth of $9.75 billion as of July 13, 2026. Its market cap has decreased by -0.13% in one year.
Market Cap
9.75B
Enterprise Value
13.65B
1-Year Change
-0.13%
Ranking
Category
Stock Price
$76.07
Market Cap Chart
Since August 12, 2004, Westlake's market cap has increased from $961.10M to $9.75B, an increase of 914.08%. That is a compound annual growth rate of 11.14%.
| Date | Market Cap | % Change |
|---|---|---|
| Jul 13, 2026 | 9.75B | 2.76% |
| Dec 31, 2025 | 9.48B | -35.72% |
| Dec 31, 2024 | 14.76B | -17.72% |
| Dec 29, 2023 | 17.93B | 37.14% |
| Dec 30, 2022 | 13.08B | 5.34% |
| Dec 31, 2021 | 12.42B | 19.12% |
| Dec 31, 2020 | 10.42B | 15.76% |
| Dec 31, 2019 | 9.00B | 5.34% |
| Dec 31, 2018 | 8.55B | -37.86% |
| Dec 29, 2017 | 13.75B | 90.57% |
| Dec 30, 2016 | 7.22B | 1.70% |
| Dec 31, 2015 | 7.10B | -12.71% |
| Dec 31, 2014 | 8.13B | -0.25% |
| Dec 31, 2013 | 8.15B | 54.10% |
| Dec 31, 2012 | 5.29B | 97.35% |
| Dec 30, 2011 | 2.68B | -6.85% |
| Dec 31, 2010 | 2.88B | 74.92% |
| Dec 31, 2009 | 1.64B | 53.79% |
| Dec 31, 2008 | 1.07B | -14.00% |
| Dec 31, 2007 | 1.24B | -39.26% |
| Dec 29, 2006 | 2.05B | 9.15% |
| Dec 30, 2005 | 1.88B | -13.46% |
| Dec 31, 2004 | 2.17B | 125.52% |
| Aug 12, 2004 | 961.10M | - |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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