WLK Westlake margins

Relative Growth: Rel. Growth: 24

Relative Strength: Rel. Strength: 23

Relative Valuation: Rel. Valuation: 30

Relative Profitability: Rel. Profitability: 10

Gross margin

9.6%

Operating margin

-11%

EBITDA margin

0.3%

Net margin

-10.9%

Westlake shows a gross margin of 9.6%, an operating margin of -11%, an EBITDA margin of 0.3%, and a net margin of -10.9%, although its operating margin is negative at -11%, and its net margin is negative at -10.9%. All measured margins weakened year over year, led by operating margin with a decline of 11.9 percentage points.

WLK margin history

Gross, operating, EBITDA and net margin trends

Over the last 3 years, Westlake's margins averaged 12.56% gross, -1.82% operating, 8.95% EBITDA, and -2.82% net. All four current margins are below their three-year averages.

WLK margin expansion

Year-over-year margin changes in percentage points

Operating margin led the decline, falling by 11.9 percentage points, while the other available margins also decreased.

Gross margin expansion

-1.6pp

Operating margin expansion

-11.9pp

EBITDA margin expansion

-11.4pp

Net margin expansion

-10.3pp

WLK Gross margin

Over the last 3 years, Westlake's gross margin averaged 12.56%. The current gross margin of 9.6% is 3 percentage points below its three-year average. During this period, gross margin reached a high of 17.7% in Dec 2023 and a low of 6.3% in Mar 2026.

WLK Operating margin

The average operating margin for Westlake was -1.82% in the last 3 years. Currently, the current operating margin for Westlake is -11%, 9.2 percentage points below its three-year average. The operating margin for Westlake moved between -15.7% in Mar 2026 and 7.2% in Dec 2024.

WLK EBITDA margin

Throughout the last 3 years, Westlake had an average EBITDA margin of 8.95%. Against its three-year average, Westlake's EBITDA margin is currently 0.3%, 8.7 percentage points below its three-year average. Looking back over the last 3 years, Westlake's EBITDA margin reached 17.8% at its highest point in Dec 2024 and -3.9% at its lowest in Mar 2026.

WLK Net margin

The average net margin for Westlake was -2.82% in the last 3 years. Westlake currently reports a net margin of -10.9%, 8.1 percentage points below its three-year average. The net margin for Westlake moved between -14.9% in Mar 2026 and 5% in Dec 2024.

WLK margin group comparison

Margins compared with peer-group, industry and sector averages

With a gross margin of 9.6%, WLK ranks lower than the Basic Materials sector, the industry and its peers average. In comparison with the Basic Materials sector average of 32%, Westlake's gross margin is 70% lower.

WLK margin peer comparison

Compare margins with selected peers

Frequently asked questions

What is Westlake's gross margin?

The current gross margin for WLK is 9.6% as of Jun 30, 2026.

What is Westlake's operating margin?

As of Jun 30, 2026, WLK has an operating margin of -11%.

What is Westlake's EBITDA margin?

The current EBITDA margin for WLK is 0.3% as of Jun 30, 2026.

What is Westlake's net margin?

The current net margin for WLK is -10.9% as of Jun 30, 2026.

What are the average margins of WLK?

The three-year average margins for WLK were 12.6% gross, -1.8% operating, 9.0% EBITDA, and -2.8% net.

What are the highest historical margins of WLK?

Looking back across 5 years, WLK reached 32.1% gross in Jun 2022, 26.1% operating in Jun 2022, 32.6% EBITDA in Mar 2022, and 19% net in Jun 2022.

What are the lowest historical margins of WLK?

Over the last 5 years, Westlake's lowest margins were 6.3% gross in Mar 2026, -15.7% operating in Mar 2026, -3.9% EBITDA in Mar 2026, and -14.9% net in Mar 2026.