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StockVS

NYSE · Specialty Chemicals · USD

Westlake Corporation (WLK) Stock Analysis

Westlake Corporation (WLK) is a Specialty Chemicals stock listed on NYSE and quoted in US Dollar.

Last Updated: October 21, 2026

WLK

$60.84

−$1.85 (−2.95%)

Oct 21, 2026 · Market close

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Price History

Hover for the daily close. The dotted line marks the period open.

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WLK Key Statistics

As of Oct 21, 2026
Trading
Open
$62.85
Previous Close
$62.69
Day's Range
60.36–62.85
52-Week Range
56.33–124.23
Volume
1.13M
BetaHow much the share price moves relative to the wider market. 1.0 moves in line with it; above 1.0 swings more, below 1.0 less.
0.69
Valuation
Market Cap
$7.78B
P/E Ratio
unprofitable
Forward P/EShare price divided by forecast earnings for the year ahead, rather than the year just past.
24.23
PEG RatioThe P/E ratio divided by the expected earnings growth rate. It puts a high P/E in the context of how fast profits are growing.
1.70
P/S ratioMarket value divided by annual revenue. Useful for companies that are not yet profitable, where a P/E cannot be calculated.
0.69
EPS (ttm)Profit attributable to each share over the last twelve months.
−9.58
Financials (FY)
Revenue (FY)
$11.17B−8.01%
Net Income (FY)
−$1.51B−350.50%
Profit marginThe share of revenue left as profit after all costs and taxes.
−10.94%
Shares OutstandingThe total number of shares held by all investors. Market value is this figure multiplied by the share price.
127.80M
1-Year Return
−19.31%
Dividend and dates
Dividend
$2.13+3.40%
Ex-Dividend Date
August 25, 2026
Earnings Date
November 4, 2026
Avg Volume
931.81K

Only metrics the company reports are shown. Data provided by Yahoo Finance via yfinance. Updated daily.

Key facts

As of October 21, 2026, WLK closed at $60.84, −19.31% over 1 year.

Westlake Corporation (WLK) has a market capitalization of $7.78B.

In fiscal 2025, WLK reported revenue of $11.17B.

WLK Stock Return by Calendar Year

Westlake Corporation (WLK) 10-year return: what $10,000 became

1 year
$10,000 $8,069
−19.31%
5 years
$10,000 $6,593
−34.07%
10 years
$10,000 $13,498
+34.98%

If you had invested $10,000 in Westlake Corporation (WLK) 10 years ago, at the close on October 21, 2016, it would have been worth $13,498 at the close on October 21, 2026: +34.98% in total, +3.04% a year, with dividends reinvested. A historical calculation from closing prices adjusted for splits and dividends, before fees and taxes.

Calendar-year returns computed from daily closing prices. Partial years are shown muted and marked with an asterisk.

YearReturn
2026 (partial year)−16.81%
2025−33.77%
2024−16.90%
2023+38.38%
2022+6.81%
2021+20.54%
2020+18.52%
2019+7.72%
2018−37.27%
2017+92.39%
2016 (partial year)+17.53%

As of October 21, 2026.

WLK Revenue and Earnings by Fiscal Year

FY ends December
Fiscal yearRevenueNet incomeNet margin
2025$11.17B−$1.51B−13.5%
2024$12.14B$602.00M5.0%
2023$12.55B$479.00M3.8%
2022$15.79B$2.25B14.2%
Fiscal yearRevenueGross profitOperating incomeNet incomeNet margin
2025$11.17B$813.00M−$211.00M−$1.51B−13.5%
2024$12.14B$1.96B$966.00M$602.00M5.0%
2023$12.55B$2.22B$1.23B$479.00M3.8%
2022$15.79B$4.07B$3.11B$2.25B14.2%

Annual figures as reported, in the company's reporting currency. As of December 31, 2025.

WLK Dividend History

$2.11+2.9% vs 2024

Dividends per share, 2025 · 4 payments

YearDividends per sharePaymentsChange
2026*$1.593—
2025$2.114+2.9%
2024$2.054+19.6%
2023$1.714+30.8%
YearDividends per sharePaymentsChange
2026 (partial year)$1.593—
2025$2.114+2.9%
2024$2.054+19.6%
2023$1.714+30.8%
2022$1.314+15.3%
2021$1.144+6.6%
2020$1.074+3.9%
2019$1.034+11.5%
2018$0.924+14.7%
2017$0.804+319.9%
2016$0.191—

Most recent payment: $0.53 per share, ex-dividend August 25, 2026. Per-share amounts summed by calendar year from ex-dividend dates. Partial years are shown muted and marked with an asterisk.

WLK Valuation vs Specialty Chemicals Median

Median of 70 stocks
MetricWLKSpecialty Chemicals medianvs median
P/S ratio0.691.5957% below
Profit margin−10.94%2.70%13.6 pts below

Medians across 70 Specialty Chemicals stocks that report the metric. Medians, not averages, so one outlier cannot move them. As of October 21, 2026.

Recent News

All 20 articles ↓

News provided by third-party sources. Not financial advice.

Analysis

Data-derived

Company Overview

Westlake Corporation (WLK) is capitalised at $7.78B on the latest close. It is classified in the Specialty Chemicals industry, within the Basic Materials sector. Headcount on file is 14,600.

Over the past 52 weeks the price has ranged from $56.33 to $124.23. The most recent close on file for WLK is $60.84, dated October 21, 2026. That is −$1.85 (−2.95%) against the previous close. The latest close sits 8.01% above that 52-week low.

Financial Health

The most recent full year on file, fiscal 2025, shows revenue of $11.17B. That is −8.01% against the prior fiscal year, when revenue was $12.14B. The same year closed with a net loss of $1.51B. The reported profit margin is −10.94%. That is 13.6 percentage points below the Specialty Chemicals median of 2.7%. Earnings per share on a trailing basis come to −9.58.

Across the 4 fiscal years on file, revenue moves from $15.79B in 2022 to $11.17B in 2025. Of those 4 years, 3 report positive net income.

Valuation Assessment

No trailing P/E applies: the last reported earnings figure is negative. The forward P/E on file is 24.23. The PEG ratio, which sets the P/E against expected earnings growth, reads 1.7. Measured against sales, the shares trade at 0.69 times revenue. On price-to-sales that is 56.81% below the Specialty Chemicals median of 1.59. 70 Specialty Chemicals companies report these metrics, and the medians quoted come from that group.

Over the trailing twelve months the total return is −19.31%. Across 10 years the annualized return works out at +3.04%. The reported beta is 0.69. Daily returns over the trailing 10 years annualize to a volatility of 39.56%.

Growth & Income

Shareholders receive a dividend, yielding 3.4% on the latest price. That is 1.6 percentage points above the Specialty Chemicals median yield of 1.78%. At the indicated rate that is $2.13 a share a year. The ex-dividend date on file is August 25, 2026. Dividends are recorded for 11 calendar years; 2026 shows 3 payments totalling $1.59 a share. The year before, 2025, totalled $2.11 a share.

The strongest complete calendar year on file is 2017 at +92.39%; the weakest is 2018 at −37.27%. Of the 9 complete calendar years on file, 6 finished higher. 2026 is still running; the total return is −16.81% year to date.

Peer Comparison

Westlake Corporation (WLK) operates in the Specialty Chemicals industry. Here is how it compares to its closest peers by market capitalization:

Company Ticker Market Cap P/E Ratio
Westlake Corporation WLK $7.78B —
Linde plc LIN $230.75B 32.3
The Sherwin-Williams Company SHW $81.88B 31.1
Ecolab Inc. ECL $80.76B 38.7

The Specialty Chemicals industry average P/E ratio is 28.3x. Westlake Corporation has no P/E ratio because it is not currently profitable.

Every figure above is read from this page's own data on each daily rebuild. Informational only, not financial advice. As of October 21, 2026.

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About Westlake Corporation

Westlake Corporation manufactures and markets performance and essential materials, and housing and infrastructure products in the United States, Canada, Germany, China, Mexico, Brazil, France, Italy, and internationally. It operates through two segments, Performance and Essential Materials and The Housing and Infrastructure Products. The Performance and Essential Materials segment offers ethylene, polyethylene, chlor-alkali, chlorinated derivative products, ethylene dichloride, vinyl chloride monomer, polyvinyl chloride (PVC), epoxy specialty resins, and base epoxy resins and intermediaries. The Housing and Infrastructure Products segment provides residential PVC sidings; PVC trim and mouldings; architectural stone veneers; windows; PVC decking; polymer composite and cement roof tiles; PVC pipes and fittings for various water, sewer, electrical, and industrial applications; and PVC compounds for various housing, medical, and automobile products. This segment also offers consumer and commercial products, such as landscape edging; industrial, home, and office matting; marine dock edging; and masonry joint controls. It offers its products to chemical processors; plastics fabricators; small construction contractors; municipalities; and supply warehouses for use in various consumer and industrial markets, including residential construction, flexible and rigid packaging, automotive products, healthcare products, water treatment, wind turbines, and coatings, as well as other durable and non-durable goods. The company was formerly known as Westlake Chemical Corporation and changed its name to Westlake Corporation in February 2022. Westlake Corporation was founded in 1986 and is headquartered in Houston, Texas. Westlake Corporation is a subsidiary of TTWF LP.

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