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Westlake Chemical Partners market cap WLKP

Share price times shares outstanding: what the whole company sells for, since 2014.

Today, Oct 23, 2026
$745.5M
Highest close in our data
$1B
Apr 2022

Westlake Chemical Partners is worth $745.5M at the close on Oct 23, 2026, at $21.15 a share.

That is up 6% over the last year and down 18% over five years.

Its highest close in our data was $1B in Apr 2022.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$745.5M$667.9M$822.3M+13%
2025$657.7M$641.5M$864.8M−20%
2024$821.4M$765.5M$843.3M+8%
2023$762.7M$749.7M$910.5M−8%
2022$827.7M$721.2M$1B−12%
2021$945.9M$755.6M$954.2M+13%
2020$839M$473.4M$872.7M−7%
2019$904.3M$714M$904.3M+19%
2018$756.8M$678.5M$894.6M−6%
2017$804.3M$571M$804.3M+37%
2016$585.8M$457.6M$646.7M−2%
2015$600.2M$426.2M$778.2M−21%
2014$764.2M$761.7M$808.3Mn/a

Against its peers

Companies in Chemicals - Specialty nearest Westlake Chemical Partners' size, closest first, today.

CompanyMarket cap
WLKPWestlake Chemical Partners$745.5M
LXULSB Industries$712.1M
GPREGreen Plains$979.9M
LXFRLuxfer$462.4M
REXREX AMERICAN RESOURCES$1.3B
ALTOAlto Ingredients$280M
SXTSensient Technologies$5.6B
AXTAAxalta Coating Systems$7.3B
Peer median$979.9M

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on Westlake Chemical Partners

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.