WLK Westlake margins

Relative Growth: Rel. Growth:

Relative Strength: Rel. Strength:

Relative Valuation: Rel. Valuation:

Relative Profitability: Rel. Profitability: 29

Gross margin

10.8%

Operating margin

-3.8%

EBITDA margin

7.2%

Net margin

-3.9%

Westlake shows a gross margin of 10.8%, an operating margin of -3.8%, an EBITDA margin of 7.2%, and a net margin of -3.9%, although its operating margin is negative at -3.8%, and its net margin is negative at -3.9%. All measured margins increased year over year, led by net margin with an increase of 4.4 percentage points.

WLK margin history

Gross, operating, EBITDA and net margin trends

Over the last 3 years, Westlake's margins averaged 12.42% gross, -1.98% operating, 8.8% EBITDA, and -2.91% net. All four current margins are below their three-year averages.

WLK margin expansion

Year-over-year margin changes in percentage points

All available margins expanded year over year, led by net margin with an increase of 4.4 percentage points.

Gross margin expansion

1.6pp

Operating margin expansion

3.5pp

EBITDA margin expansion

3.3pp

Net margin expansion

4.4pp

WLK Gross margin

Over the last 3 years, Westlake's gross margin averaged 12.42%. The current gross margin of 10.8% is 1.6 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 -1.98% in the last 3 years. Currently, the current operating margin for Westlake is -3.8%, 1.8 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 8.8%. Against its three-year average, Westlake's EBITDA margin is currently 7.2%, 1.6 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 -2.91% in the last 3 years. Westlake currently reports a net margin of -3.9%, 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 10.8%, WLK ranks lower than the Basic Materials sector, the industry and its peers average. In comparison with the Basic Materials sector average of 32.1%, Westlake's gross margin is 66% 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 10.8% as of Sep 30, 2026.

What is Westlake's operating margin?

As of Sep 30, 2026, WLK has an operating margin of -3.8%.

What is Westlake's EBITDA margin?

The current EBITDA margin for WLK is 7.2% as of Sep 30, 2026.

What is Westlake's net margin?

The current net margin for WLK is -3.9% as of Sep 30, 2026.

What are the average margins of WLK?

The three-year average margins for WLK were 12.4% gross, -2.0% operating, 8.8% EBITDA, and -2.9% 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.