Annual Operating Margin
-1.89%9.85%-123.74%
Summary
- Current Value
- As of today, WLK annual operating margin is -1.89%, down -123.74% on
- Historical Performance
- WLK annual operating margin is down -109.68% over the past 3 years, down -130.48% over the past 5 years
- All-Time High Comparison
- WLK annual operating margin is currently -107.36% below its historical high of 25.68% 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 29.96% of companies in Basic Materials sector
Operating Margin Chart
SUGGESTED SERIES
Performance
| Metric | Date | Value | 1Y | 3Y | 5Y | 15Y |
|---|---|---|---|---|---|---|
| Annual Operating Margin | -1.89% | -123.7% | -109.7% | -130.5% | -115.8% | |
| Quarterly Operating Margin | -5.81% | -560.2% | -136.2% | -139.6% | -135.8% | |
| Price | $93.85 | +16.7% | -20.9% | -9.4% | +214.7% | |
| PE Ratio | - | – | – | – | – | |
| Annual Revenue | $11.17B | -8.0% | -29.3% | +48.9% | +252.2% | |
| Annual Operating Profit | -$211.00M | -121.8% | -106.8% | -145.4% | -155.8% | |
| Annual Gross Margin | 6.17% | -59.3% | -75.1% | -49.3% | -59.5% | |
| Annual Net Margin | -13.17% | -348.5% | -191.0% | -365.5% | -288.7% |
Operating Margin Highs
| Period | High | Date | Current |
|---|---|---|---|
| 3Y | 19.52% | N/A | -109.7% |
| 5Y | 23.95% | -107.9% | |
| All | 25.68% | -107.4% |
Operating Margin Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 3Y | -1.89% | at low | |
| 5Y | -1.89% | at low | |
| All | -7.65% | +75.3% |
Operating Margin History
FAQ
What is the current annual operating margin of WLK?
As of today, WLK annual operating margin is -1.89%
What is 1-year change in WLK annual operating margin?
WLK annual operating margin is down -123.74% year-over-year
What is 3-year change in WLK annual operating margin?
WLK annual operating margin is down -109.68% over the past 3 years
How far is WLK annual operating margin from its all-time high?
WLK annual operating margin is currently -107.36% below its historical high of 25.68% set on December 31, 2014
How does WLK annual operating margin rank versus sector peers?
WLK annual operating margin is higher than 29.96% of companies in Basic Materials sector
When is WLK next annual earnings release?
As of today, the next annual earnings release for WLK has not been scheduled
Quarterly Operating Margin
-5.81%0.90%+13.41%
Summary
- Current Value
- As of today, WLK quarterly operating margin is -5.81%, up +13.41% on
- Historical Performance
- WLK quarterly operating margin is down -560.23% year-over-year, down -136.18% over the past 3 years
- All-Time High Comparison
- WLK quarterly operating margin is currently -120.47% below its historical high of 28.38% set on
- 3-Year Low Comparison
- WLK quarterly operating margin is +13.41% above its 3-year low of -6.71% reached on
- Sector Comparison
- WLK quarterly operating margin is higher than 22.43% of companies in Basic Materials sector
Performance
| Metric | Date | Value | 3M | 1Y | 3Y | 5Y |
|---|---|---|---|---|---|---|
| Quarterly Operating Margin | -5.81% | +13.4% | -560.2% | -136.2% | -139.6% | |
| Annual Operating Margin | -1.89% | – | -123.7% | -109.7% | -130.5% | |
| Price | $93.85 | -2.2% | +16.7% | -20.9% | -9.4% | |
| PE Ratio | - | – | – | – | – | |
| Quarterly Revenue | $2.65B | +4.7% | -6.8% | -21.0% | +12.5% | |
| Quarterly Operating Profit | -$154.00M | +9.4% | -516.0% | -128.6% | -144.5% | |
| Quarterly Gross Margin | 3.09% | +45.1% | -56.5% | -86.4% | -84.9% | |
| Quarterly Net Margin | -5.92% | +71.8% | -381.3% | -149.1% | -155.4% |
Quarterly Operating Margin Highs
| Period | High | Date | Current |
|---|---|---|---|
| 1Y | 0.20% | -3005.0% | |
| 3Y | 16.06% | N/A | -136.2% |
| 5Y | 28.38% | -120.5% | |
| All | 28.38% | -120.5% |
Quarterly Operating Margin Lows
| Period | Low | Date | Current |
|---|---|---|---|
| 1Y | -6.71% | +13.4% | |
| 3Y | -6.71% | +13.4% | |
| 5Y | -6.71% | +13.4% | |
| All | -27.76% | +79.1% |
Quarterly Operating Margin History
FAQ
What is the current quarterly operating margin of WLK?
As of today, WLK quarterly operating margin is -5.81%
What is WLK quarterly operating margin most recent change?
WLK quarterly operating margin was up +13.41% on March 1, 2026
What is 1-year change in WLK quarterly operating margin?
WLK quarterly operating margin is down -560.23% year-over-year
How far is WLK quarterly operating margin from its all-time high?
WLK quarterly operating margin is currently -120.47% 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 22.43% 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 Annual Report (10-K) www.sec.gov/Archives/edgar/data/1262823/000126282326000016/0001262823-26-000016-index.htm
- WLK Profile on Yahoo Finance finance.yahoo.com/quote/WLK
- WLK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wlk