Annual Operating Margin
7.96%1.86%-18.94%
Summary
- Current Value
- As of today, WLK annual operating margin is 7.96%, down -18.94% on
- Historical Performance
- WLK annual operating margin is down -67.04% over the past 3 years, and down -6.79% over the past 5 years
- All-Time High Comparison
- WLK annual operating margin is currently -68.99% below its historical high of 25.67% set on
- 3-Year Low Comparison
- WLK annual operating margin is at its 3-year low
- Sector Comparison
- WLK annual operating margin is higher than 65.37% of companies in Basic Materials sector
Operating Margin Chart
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Series
SUGGESTED SERIES
Performance
| Metric | Date | Value | 1Y | 3Y | 5Y | 15Y |
|---|---|---|---|---|---|---|
| Annual Operating Margin | 7.96% | -18.9% | -67.0% | -6.8% | +72.7% | |
| Quarterly Operating Margin | -0.78% | -109.5% | -105.9% | -113.1% | -105.7% | |
| Price | $74.47 | -33.3% | -31.3% | -17.4% | +250.4% | |
| PE Ratio | - | – | – | – | – | |
| Annual Revenue | $12.14B | -3.2% | +3.1% | +49.6% | +422.1% | |
| Annual Operating Profit | $966.00M | -21.6% | -66.0% | +39.4% | +800.6% | |
| Annual Gross Margin | 16.12% | -8.8% | -45.7% | +3.9% | +92.1% | |
| Annual Net Margin | 4.96% | +29.8% | -71.0% | -4.4% | +117.5% |
Operating Margin Highs
| Period | High | Date | Current |
|---|---|---|---|
| 3Y | 19.68% | N/A | -59.5% |
| 5Y | 24.15% | -67.0% | |
| All | 25.67% | -69.0% |
Operating Margin Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 3Y | 7.96% | at low | |
| 5Y | 6.38% | N/A | +24.8% |
| All | -2.75% | +389.4% |
Operating Margin History
FAQ
What is the current annual operating margin of WLK?
As of today, WLK annual operating margin is 7.96%
What is 1-year change in WLK annual operating margin?
WLK annual operating margin is down -18.94% year-over-year
What is 3-year change in WLK annual operating margin?
WLK annual operating margin is down -67.04% over the past 3 years
How far is WLK annual operating margin from its all-time high?
WLK annual operating margin is currently -68.99% below its historical high of 25.67% set on December 31, 2014
How does WLK annual operating margin rank versus sector peers?
WLK annual operating margin is higher than 65.37% of companies in Basic Materials sector
When is WLK next annual earnings release?
The next annual earnings release for WLK is on
Quarterly Operating Margin
-0.78%0.98%-490.00%
Summary
- Current Value
- As of today, WLK quarterly operating margin is -0.78%, down -490.00% on
- Historical Performance
- WLK quarterly operating margin is down -109.54% year-over-year, and down -105.91% over the past 3 years
- All-Time High Comparison
- WLK quarterly operating margin is currently -102.75% below its historical high of 28.38% set on
- 3-Year Low Comparison
- WLK quarterly operating margin is +60.00% above its 3-year low of -1.95% reached on
- Sector Comparison
- WLK quarterly operating margin is higher than 25.48% of companies in Basic Materials sector
Performance
| Metric | Date | Value | 3M | 1Y | 3Y | 5Y |
|---|---|---|---|---|---|---|
| Quarterly Operating Margin | -0.78% | -490.0% | -109.5% | -105.9% | -113.1% | |
| Annual Operating Margin | 7.96% | – | -18.9% | -67.0% | -6.8% | |
| Price | $74.47 | -7.3% | -33.3% | -31.3% | -17.4% | |
| PE Ratio | - | – | – | – | – | |
| Quarterly Revenue | $2.84B | -3.9% | -8.9% | -28.3% | +49.5% | |
| Quarterly Operating Profit | -$22.00M | -466.7% | -108.6% | -104.2% | -119.5% | |
| Quarterly Gross Margin | 7.26% | -5.6% | -51.9% | -61.0% | -37.6% | |
| Quarterly Net Margin | -27.20% | -518.2% | -812.0% | -362.6% | -847.3% |
Quarterly Operating Margin Highs
| Period | High | Date | Current |
|---|---|---|---|
| 1Y | 2.60% | N/A | -130.0% |
| 3Y | 16.06% | -104.9% | |
| 5Y | 28.38% | -102.8% | |
| All | 28.38% | -102.8% |
Quarterly Operating Margin Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 1Y | -0.88% | +11.4% | |
| 3Y | -1.95% | +60.0% | |
| 5Y | -1.95% | +60.0% | |
| All | -27.76% | +97.2% |
Quarterly Operating Margin History
FAQ
What is the current quarterly operating margin of WLK?
As of today, WLK quarterly operating margin is -0.78%
What is WLK quarterly operating margin most recent change?
WLK quarterly operating margin was down -490.00% on September 30, 2025
What is 1-year change in WLK quarterly operating margin?
WLK quarterly operating margin is down -109.54% year-over-year
How far is WLK quarterly operating margin from its all-time high?
WLK quarterly operating margin is currently -102.75% below its historical high of 28.38% set on September 30, 2021
How does WLK quarterly operating margin rank versus sector peers?
WLK quarterly operating margin is higher than 25.48% of companies in Basic Materials sector
When is WLK next earnings release?
The next earnings release for WLK is on
Operating Margin Formula
Operating Profit Margin = Operating Profit
Revenue × 100%
Revenue × 100%
Data Sources & References
- WLK Official Website www.westlake.com
- Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1262823/000126282325000064/0001262823-25-000064-index.htm
- Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1262823/000126282325000011/0001262823-25-000011-index.htm
- WLK Profile on Yahoo Finance finance.yahoo.com/quote/WLK
- WLK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wlk