WLK Financials Westlake Corp

15 years of revenue, profit, cash flow and balance-sheet history through FY2025, from SEC filings — with a computed, factual read of the trend. Updated 30 h ago Overview →

Growth & profitability

Revenue has grown 8.3% per year over the past 5 years.
Operating margin has contracted, at -14.1% in the latest year.

Financial health

Total debt ($5.6B) exceeds cash ($2.7B); net debt is $2.9B.
Total debt has grown in line with revenue (9.4% vs 8.3% per year).
Operating income covered interest expense -9.2× in the latest year.
The company is unprofitable; at its current free-cash-flow burn it has roughly 5.1 years of cash runway.

Shareholder returns

Dividends have been paid for 15 consecutive years.
The dividend has grown 14.7% per year over the past 5 years.

Revenue & net income

RevenueNet income

Margins (gross / operating / net)

GrossOperatingNet

Free cash flow (CFO − capex)

Free cash flow

Cash vs total debt

CashTotal debt

Cash flow: operating / investing / financing

OperatingInvestingFinancing

Key annual figures

FY	Revenue	Net income	Gross M	Op M	FCF	Total debt	Cash
2025	$11.2B	-$1.5B	7.3%	-14.1%	-$530M	$5.6B	$2.7B
2024	$12.1B	$602M	16.1%	7.2%	$306M	$4.6B	$2.9B
2023	$12.5B	$479M	17.7%	5.8%	$1.3B	$4.9B	$3.3B
2022	$15.8B	$2.2B	25.8%	19.3%	$2.3B	$4.9B	$2.2B
2021	$11.8B	$2.0B	29.7%	23.8%	$1.7B	$5.2B	$1.9B
2020	$7.5B	$330M	13.6%	5.7%	$772M	$3.6B	$1.3B
2019	$8.1B	$421M	15.5%	8.1%	$514M	$3.4B	$728M
2018	$8.6B	$996M	23.0%	16.3%	$707M	$2.7B	$753M
2017	$8.0B	$1.3B	21.9%	15.2%	$951M	$3.8B	$1.5B
2016	$5.1B	$399M	19.4%	11.5%	$238M	$3.8B	$459M
2015	$108M	$646M	1093.6%	886.0%	$588M	$758M	$663M
2014	$148M	$679M	890.6%	759.8%	$601M	$764M	$881M
2013	$322M	$610M	341.6%	295.7%	$74M	$764M	$461M
2012	$320M	$386M	230.4%	192.3%	$225M	$764M	$790M
2011	$446M	$259M	125.2%	100.1%	$182M	$765M	$826M

Revenue & net income

RevenueNet income

Margins (gross / operating / net)

GrossOperatingNet

Free cash flow (CFO − capex, quarterly)

Free cash flow

Cash vs total debt

CashTotal debt

Cash flow: operating / investing / financing

OperatingInvestingFinancing

Key quarterly figures

Quarter	Revenue	Net income	Gross M	Op M	FCF	Total debt	Cash
Mar '26	$2.7B	-$169M	4.2%	-6.5%	-$303M	$5.6B	$2.3B
Dec '25	$2.5B	-$544M	3.4%	-26.5%	-$16M	$5.6B	$2.7B
Sep '25	$2.8B	-$782M	8.3%	-27.0%	-$57M	$4.7B	$1.9B
Jun '25	$3.0B	-$142M	8.7%	-3.7%	-$132M	$4.7B	$2.1B
Mar '25	$2.8B	-$40M	8.2%	-1.1%	-$325M	$4.6B	$2.3B
Dec '24	$2.8B	$7M	11.5%	2.3%	$149M	$4.6B	$2.9B
Sep '24	$3.1B	$108M	16.0%	5.8%	$254M	$4.6B	$2.9B
Jun '24	$3.2B	$313M	20.7%	12.7%	$6M	$4.9B	$3.0B
Mar '24	$3.0B	$174M	15.7%	7.5%	-$103M	$4.9B	$3.1B
Dec '23	$2.8B	-$497M	7.0%	-19.5%	$291M	$4.9B	$3.3B
Sep '23	$3.1B	$285M	18.8%	11.2%	$451M	$4.9B	$3.1B
Jun '23	$3.3B	$297M	19.7%	12.2%	$315M	$4.9B	$2.7B
Mar '23	$3.4B	$394M	23.6%	16.0%	$245M	$4.9B	$2.4B
Dec '22	$3.3B	$232M	17.2%	9.9%	$538M	$4.9B	$2.2B
Sep '22	$4.0B	$401M	19.6%	13.0%	$629M	$4.8B	$1.8B
Jun '22	$4.5B	$858M	32.2%	26.2%	$683M	$4.9B	$1.3B
Mar '22	$4.1B	$756M	31.7%	25.4%	$437M	$5.2B	$1.1B
Dec '21	$3.5B	$644M	31.3%	24.9%	$513M	$5.2B	$1.9B
Sep '21	$3.1B	$607M	33.3%	28.2%	$611M	$5.2B	$3.6B
Jun '21	$2.9B	$522M	30.5%	25.2%	$488M	$3.6B	$1.8B

Valuation over time

How the market has priced WLK against its own fundamentals since 2023-03 — each month-end's share price set against the most recent annual filing, so the multiple moves as price runs ahead of (or behind) earnings. Split-adjusted.

The price-to-earnings ratio has risen from 6.6× (Mar '23) to 14.2× (Nov '25).
The price-to-sales ratio has fallen from 0.9× (Mar '23) to 0.9× (Jun '26).
The dividend yield has risen from 1.1% (Mar '23) to 2.8% (Jun '26).

Price / earnings (P/E)

P/E

Price / sales (P/S)

P/S

Dividend yield (%)

Dividend yield %

Frequently asked questions

Is WLK growing its revenue and profit?

Over the past 5 years, Westlake Corp's revenue has grown 8.3% per year. These are computed facts, not advice.

How much debt does WLK have?

As of FY2025, Westlake Corp reported $5.6B of total debt against $2.7B of cash; operating income covered interest expense -9.2×.

What is WLK's profit margin?

In FY2025, gross margin was 7.3%, operating margin -14.1%, and net margin -13.5%.

What is WLK's P/E ratio?

As of Jun '26, Westlake Corp traded at a price-to-earnings ratio of about 14.2× (market cap ÷ latest annual net income). The valuation charts above show how its P/E, P/S and dividend yield have moved with the share price. These are computed facts, not advice.

Where does this data come from?

All figures are extracted from the company’s SEC EDGAR/XBRL filings — 10-K annual reports and 10-Q quarterly reports (use the Annual / Quarterly toggle). Quarterly figures are derived from the as-filed statements (year-to-date amounts are differenced into discrete quarters). Growth rates and ratios are computed by tradmap; nothing here is investment advice.

Source: SEC EDGAR / XBRL (10-K + 10-Q filings) · prices EOD (Databento), corporate-action-adjusted · growth rates, valuation multiples & ratios computed by tradmap. Valuation uses each month-end price against the latest annual filing. Informational only — not investment advice.