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

1.3x. 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

Historically low

As of Oct 24, 2026

WLK's EV/Sales of 1.0x is lower than 91% of its weekly readings over the last five years.

Weekly EV/Sales with its 5-year range

EV/Sales each weekMiddle half of the last 5 years5-year median 1.3×

5-year median: 1.3×
10-year median: 1.4×
5-year low to high: 0.9×–1.9×
Versus 5-year median: -21%

EV/Sales

9thpercentile

of its weekly readings over the last five years

Historically low

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/Sales at each year-end

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

WLK EV/Sales at each year-end
Year-end	EV/Sales	5-year percentile
Dec 29, 2025	1.1×	14
Dec 30, 2024	1.3×	38
Dec 25, 2023	1.5×	77
Dec 26, 2022	1.0×	5
Dec 27, 2021	1.4×	38
Dec 28, 2020	1.7×	64
Dec 30, 2019	1.3×	23
Dec 31, 2018	1.3×	11
Dec 25, 2017	2.1×	67
Dec 26, 2016	2.5×	89

Materials peers on EV/Sales

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

Compare WLK with peers

Materials peers of WLK on EV/Sales
Stock	EV/Sales	Versus its own history	5-year percentile
DOWDow Inc.	0.9×	Within its usual range	31
OLNOlin Corp	0.7×	Historically low	1
AAAlcoa Corp	0.8×	Within its usual range	59
ALBAlbemarle Corporation	2.2×	Within its usual range	35
AMCRAmcor	1.5×	Below its usual range	21

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

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About this history

What is WLK's current EV/Sales?: WLK's EV/Sales of 1.0x is lower than 91% of its weekly readings over the last five years.
What is WLK's five-year median EV/Sales?: 1.3x. 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.