Westlake Corporation

WLKNYSEBasic Materials● Active

$84.64

$-0.61(-0.72%)

Market Cap$10.8B

P/E Ratio—

52W High$124.23

52W Low$56.33

Avg Volume1.2M

Open$84.29

Beta0.59

Overview

Westlake Corporation (WLK) PE Ratio — Current & Historical Data

Trailing twelve months (TTM) P/E, forward P/E, PEG, and annual PE history — from market prices and filings.

wlk · pe ratio · data through Dec 31, 2025

Core PE Ratio Metrics

Trailing 12 months · TTM

The price-to-earnings (P/E) ratio for Westlake Corporation (WLK) measures how much investors pay for each dollar of the company's trailing earnings. WLK's current PE ratio of N/A is calculated by dividing its stock price of $84.64 by its TTM earnings per share of -$12.79.

N/A

P/E Ratio (TTM)N/A — Company is not profitable (TTM)

Source: FMP · /ratios-ttm · /analyst-estimates · 2025-12-31

Forward P/E

22.06x

FY2026 est. EPS $3.84

Based on 7 analysts

EPS (TTM)

-$12.79

TTM · diluted EPS

PEG Ratio

0.40

Below 1.0 · Growth adjusted

▸ Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Westlake Corporation SEC 10-K & 10-Q filings · US GAAPUpdated: 2026-06-08

PE Ratio History

2006 – 2025 · Annual

PE Ratio (TTM)

5Y Avg 21.1x

EPS (Annual)

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare (Annual)

Historical PE Range

Past 18 fiscal years · Front-end computed

Average

15.9x

18-yr mean

Median

12.1x

18-yr midpoint

Minimum

5.8x

Lowest year

Maximum

37.3x

Highest year

5.8x
MinQ1 · 25%12.1x
MedianQ3 · 75%37.3x
Max

Historically Low

At N/A, WLK's current P/E is lower than in 0% of its annual fiscal year readings over the past 18 years — historically low.

0th percentileHigher than 0 of 18 historical fiscal year readings

Percentile calculated from annual fiscal year data points, not by trading day. Years where PE ≤ 0 or > 9,999 are excluded.

PE Ratio vs Peers

Chemicals - Specialty · 6 peers · Annual PE

Company	Market Cap	PE (Annual)	vs Avg	EPS (TTM)
Westlake CorporationYou WLK	$10.8B	N/A	—	-$12.79
Alcoa Corporation AA	$19.0B	12.08x	-48.4%	$4.40
Albemarle Corporation ALB	$18.3B	N/A	—	-$4.34
Axalta Coating Systems Ltd. AXTA	$6.9B	18.46x	-21.1%	$1.75
Eastman Chemical Company EMN	$8.2B	15.45x	-34.0%	$4.13
Equinox Gold Corp. EQX	$8.5B	39.27x	+67.9%	$0.36
Element Solutions Inc ESI	$9.7B	31.70x	+35.5%	$0.79
Industry Average 5 peers with valid PE	—	23.39x	baseline	—

* N/A — Company is not profitable (TTM) · excluded from industry average · ▸ FMP /stock-peers + /ratios?limit=1 · priceToEarningsRatio

Annual PE Ratio History

Showing 10 of 20 years

Fiscal Year End	PE Ratio	EPS (TTM)	YoY Change
2025-12-31Latest FY2025	—	$-11.70	—
2024-12-31 FY2024	24.48x	$4.68	-34.4%
2023-12-31 FY2023	37.34x	$3.75	+539.5%
2022-12-31 FY2022	5.84x	$17.56	-5.4%
2021-12-31 FY2021	6.17x	$15.74	-80.5%
2020-12-31 FY2020	31.61x	$2.58	+47.8%
2019-12-31 FY2019	21.39x	$3.28	+148.9%
2018-12-31 FY2018	8.60x	$7.70	-18.5%
2017-12-31 FY2017	10.55x	$10.10	-41.9%
2016-12-31 FY2016	18.15x	$3.08	+63.8%

▸ FMP /ratios?period=annual&limit=20 · priceToEarningsRatio + netIncomePerShare · Zero extra API

About PE Ratio & Methodology

PE Ratio = Stock Price ÷ EPS (TTM)

= $84.64 ÷ -$12.79 = N/A

TTMTrailing Twelve Months — sum of the most recent 4 quarterly EPS figures

Forward PEStock price ÷ analyst consensus EPS estimate for the next fiscal year

PEGPE ÷ earnings growth rate — values below 1.0 suggest growth may justify the premium

Figures tie to SEC 10-K/10-Q and FMP ratio endpoints where noted.

Price history Financial statements Earnings

Frequently asked questions

WLK pe ratio · 6 questions

WLK's current PE ratio is N/A as of 2026-06-08, based on a stock price of $84.64 and TTM EPS of -$12.79. Data sourced from Financial Modeling Prep via WLK's SEC 10-K and 10-Q filings.

WLK PE ratioWhat is WLK PE ratioCurrent PE ratio of WLKWLK PE ratio today

▸ Source: FMP · /ratios-ttm · /ratios annual · /analyst-estimates · /stock-peers · Westlake Corporation SEC 10-K & 10-Q filings · US GAAP · Updated: 2026-06-08