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Westlake Chemical Partners LP (WLKP) stock

WLKPNYSEIndustrial Organic ChemicalsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 4, 2026Score 13/3085% below fair value
$21.20−0.48 (-2.21%)

Close on Nov 13, 2026Market cap $747.21MP/E –Yield –

Westlake Chemical Partners LP grew revenue 9.4% to $1.24B over the twelve months to Sep 30, 2026. Operating income rose 11.6% to $359.20M, moving the operating margin from 28.4% to 29.0%. Free cash flow was $444.03M, up 112.4% from a year earlier. At the latest close the market valued the company at $747.21M.

Revenue
$1.24B
+9.4% vs. a year earlier
Operating income
$359.20M
+11.6% vs. a year earlier
Free cash flow
$444.03M
+112.4% vs. a year earlier

Key statistics

Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026

Valuation

Market cap
$747.21M
P/E ratio
–
Price to sales
0.60
Price to book
–
Dividend yield
–
Free cash flow yield
59.42%

Fundamentals

Revenue
$1.24B
Net income
$59.17M
Free cash flow
$444.03M

Trading

Next earnings
Feb 23, 2027 (estimated, before the open)
Previous close
$21.68
Open
$21.11
Day's range
$20.78 – $21.34
Volume
26,566
Average volume (20 days)
18,937
Beta (5 years)
0.38
52-week range
$17.75 – $23.88
RSI (14 days)
47.6
Volatility (1 year)
17.8%
Relative volume
0.98×
WACC
7.6%

Market cap history

Month-end market cap since 2016, using shares outstanding reported at the time

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

PeriodWLKPS&P 500DifferenceWLKP per yearS&P 500 per year
1 month+0.5%-3.0%+3.5 pts
3 months-2.2%-2.8%+0.6 pts
Year to date+18.9%+11.5%+7.4 pts
1 year+20.3%+13.5%+6.9 pts
3 years+25.7%+77.7%−52.0 pts+7.9%+21.1%
5 years+25.5%+72.6%−47.1 pts+4.6%+11.5%
10 years+110.1%+308.2%−198.1 pts+7.7%+15.1%

Fourteen years at a glance

Fiscal years 2012 to 2025 and trailing twelve months, USD

Revenue

$1.24B+9.4% YoY

Gross profit

$389.27M+11.3% YoY

Operating income

$359.20M+11.6% YoY

Net income

$59.17M+20.4% YoY

EPS, diluted

–

Free cash flow

$444.03M+112.4% YoY
Reported periodTrailing twelve months

Press releases

Releases Westlake Chemical Partners LP filed with the SEC as exhibits to Form 8-K or 6-K

All press releases and earnings

About Westlake Chemical Partners LP

Industrial Organic Chemicals

Westlake Chemical Partners LP operates, acquires, and develops ethylene production facilities and related assets through its operating subsidiary. The partnership conducts operations in a single reportable business segment focused on manufacturing ethylene. It also yields chemical co-products, such as propylene, crude butadiene, pyrolysis gasoline, and hydrogen. Westlake purchases most of the produced ethylene under a long-term sales contract for downstream derivative manufacturing, while remaining volumes and co-products are sold to third-party purchasers.

Company profile, executives and history

Westlake Chemical Partners LP stock: common questions

What is Westlake Chemical Partners LP's stock price?

WLKP closed at $21.20 on Nov 13, 2026, down 2.21% on the day. Over the past 52 weeks it traded between $17.75 and $23.88.

What is Westlake Chemical Partners LP's market cap?

Westlake Chemical Partners LP was worth $747.21M at the close on Nov 13, 2026: the share price times the diluted shares outstanding.

How much revenue does Westlake Chemical Partners LP make?

Westlake Chemical Partners LP reported revenue of $1.24B for the twelve months to Sep 30, 2026, up 9.4% from a year earlier.

Does Westlake Chemical Partners LP pay a dividend?

No. Westlake Chemical Partners LP has not paid a cash dividend over the last twelve months.

When does Westlake Chemical Partners LP report earnings next?

Westlake Chemical Partners LP is expected to report Q4 FY2026 results on Feb 23, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.

How has WLKP stock performed over the past year?

Including dividends, WLKP returned +20.3% over the past year, against +13.5% for the S&P 500.

How many WLKP shares are sold short?

0M shares were sold short at the latest FINRA report, 0.75% of the float, or 8.6 days of average trading volume.

Who are Westlake Chemical Partners LP's competitors?

Companies most similar to Westlake Chemical Partners LP by business, industry and size include GPRE, REX, SXT, WLK, NEU.

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