What is WLK's five-year median EV/EBITDA?

6.8x. Half of WLK's weekly readings over the last five years were higher and half were lower. This page has 766 weekly readings, from Feb 20, 2012 to Oct 19, 2026.

Does a low historical rank mean a stock is a buy?

No. The rank compares WLK only with its own past. Slower growth or more risk can justify a lower multiple than before. P/E uses earnings and P/S uses revenue from the last twelve months.

Westlake Corp (WLK) valuation history

Materials

$64.56

Latest weekly close · Market cap $8.3B

As of Oct 24, 2026

WLK's EV/EBITDA is unavailable because recent financial data is missing.

No EV/EBITDA chart for WLK right now

WLK has no current EV/EBITDA reading to compare with its history.

See WLK's P/S history

EV/EBITDA

n/anot ranked

No EV/EBITDA rank: recent financial data is missing.

Growth, last 12 months vs the year before

Revenue: -4%accelerating
EPS: n/a

Price vs revenue and EPS, indexed to 100

Each line starts at 100 at its first positive reading over the last five years. Revenue and EPS change at fiscal quarter ends.

PriceRevenue, last 12 monthsEPS, last 12 months100 = first reading

EV/EBITDA at each year-end

The last weekly reading of each year, and its percentile against the five years before it.

WLK EV/EBITDA at each year-end
Year-end	EV/EBITDA	5-year percentile
Dec 29, 2025	37.5×	99
Dec 30, 2024	11.8×	83
Dec 25, 2023	7.4×	74
Dec 26, 2022	3.5×	5
Dec 27, 2021	4.9×	3
Dec 28, 2020	11.5×	90
Dec 30, 2019	7.4×	61
Dec 31, 2018	5.0×	15
Dec 25, 2017	10.2×	80
Dec 26, 2016	11.9×	98

Materials peers on EV/EBITDA

Each percentile compares a stock with its own last five years.

Compare WLK with peers

Materials peers of WLK on EV/EBITDA
Stock	EV/EBITDA	Versus its own history	5-year percentile
DOWDow Inc.	n/a	Not ranked	n/a, not ranked
OLNOlin Corp	11.6×	Historically high	91
AAAlcoa Corp	5.5×	Within its usual range	37
ALBAlbemarle Corporation	14.4×	Below its usual range	29
AMCRAmcor	10.3×	Historically low	9

Appears in

Sector: Materials
Themes: US Manufacturing Stocks Infrastructure Stocks
Screens: Stocks with Low P/E Ratios and Steady Revenue Growth
Stocks Below Their 5-Year Median P/E
Stocks Near Their Lowest P/E Ratios in 5 Years

Screen Materials stocks the same way

Research on WLK

No articles about WLK yet. How valuation percentiles work

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About this history

What is WLK's current EV/EBITDA?: WLK's EV/EBITDA is unavailable because recent financial data is missing.
What is WLK's five-year median EV/EBITDA?: 6.8x. Half of WLK's weekly readings over the last five years were higher and half were lower. This page has 766 weekly readings, from Feb 20, 2012 to Oct 19, 2026.
Does a low historical rank mean a stock is a buy?: No. The rank compares WLK only with its own past. Slower growth or more risk can justify a lower multiple than before. P/E uses earnings and P/S uses revenue from the last twelve months.