Basis: Latest reported fiscal quarter. Source: stored company filings and market data; unavailable inputs remain N/A.
Is the operating margin high or low?
The operating margin of 18.87% is 33% above its 5-year average of 14.22%, near the high end of its 5-year range (10.09%–18.87%).
As of the fiscal period ended Tuesday, June 30, 2026. 13.10% above its 12-month average of 16.69%.
Reported quarterly operating margin; no daily interpolation.
OPERATING MARGIN
18.87%
OPERATING MARGIN AVG TTM
16.69%
OPERATING MARGIN AVG 3Y
15.63%
OPERATING MARGIN AVG 5Y
14.22%
OPERATING MARGIN AVG 10Y
12.68%
OPERATING MARGIN AVG 15Y
13.88%
OPERATING MARGIN AVG 20Y
13.81%
CURRENT VS TTM AVG
+13.10%
CURRENT VS 3Y AVG
+20.74%
CURRENT VS 5Y AVG
+32.76%
CURRENT VS 10Y AVG
+48.84%
CURRENT VS 15Y AVG
+35.93%
CURRENT VS 20Y AVG
+36.66%
SECTOR MEDIAN · INDUSTRIALS
13.49%
median of 130 covered companies
CURRENT VS SECTOR MEDIAN
+39.91%
vs the sector median at left
Westinghouse Air Brake Technologies Corporation
Market Cap
$49.40B
Operating Margin
18.87%
TTM Avg
16.69%
3Y Avg
15.63%
5Y Avg
14.22%
Market Cap
$49.26B
Operating Margin
23.50%
TTM Avg
22.17%
3Y Avg
22.07%
5Y Avg
21.76%
Market Cap
$50.61B
Operating Margin
7.38%
TTM Avg
9.05%
3Y Avg
10.00%
5Y Avg
11.75%
Market Cap
$50.65B
Operating Margin
9.93%
TTM Avg
9.64%
3Y Avg
9.52%
5Y Avg
10.34%
Market Cap
$52.41B
Operating Margin
19.08%
TTM Avg
16.18%
3Y Avg
17.07%
5Y Avg
15.99%
Market Cap
$53.54B
Operating Margin
20.29%
TTM Avg
20.10%
3Y Avg
20.46%
5Y Avg
20.38%
Market Cap
$44.19B
Operating Margin
26.01%
TTM Avg
25.66%
3Y Avg
27.17%
5Y Avg
26.29%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Westinghouse Air Brake Technologies Corporation (WAB) | $49.40B | 18.87% | 16.69% | 15.63% | 14.22% |
| HEICO Corporation (HEI-A)vs › | $49.26B | 23.50% | 22.17% | 22.07% | 21.76% |
| Carrier Global Corporation (CARR)vs › | $50.61B | 7.38% | 9.05% | 10.00% | 11.75% |
| L3Harris Technologies, Inc. (LHX)vs › | $50.65B | 9.93% | 9.64% | 9.52% | 10.34% |
| Ferrovial SE (FER)vs › | $47.23B | 10.36% | 23.11% | 14.79% | 13.99% |
| Rockwell Automation, Inc. (ROK)vs › | $52.41B | 19.08% | 16.18% | 17.07% | 15.99% |
| Fastenal Company (FAST)vs › | $53.54B | 20.29% | 20.10% | 20.46% | 20.38% |
| Old Dominion Freight Line, Inc. (ODFL)vs › | $44.19B | 26.01% | 25.66% | 27.17% | 26.29% |
| AMETEK, Inc. (AME)vs › | $55.01B | 26.17% | 25.89% | 25.52% | 24.72% |
| Thomson Reuters Corporation (TRI)vs › | $43.14B | 26.66% | 27.84% | 29.41% | 28.25% |
Gross Margin
34.3%
Operating Margin
18.9%
Operating Margin = Operating Income / Revenue
Operating margin is the percentage of revenue remaining after operating expenses, reflecting operating efficiency.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
| DATE | OPERATING MARGIN |
|---|---|
| 2026-06-30 | 18.87% |
| 2026-03-31 | 17.53% |
| 2025-12-31 | 12.58% |
| 2025-09-30 | 17.01% |
| 2025-06-30 | 17.44% |
| 2025-03-31 | 18.16% |
| 2024-12-31 | 12.93% |
| 2024-09-30 | 16.26% |
| 2024-06-30 | 16.26% |
| 2024-03-31 | 16.50% |
| 2023-12-31 | 12.19% |
| 2023-09-30 | 14.51% |
| 2023-06-30 | 12.96% |
| 2023-03-31 | 12.58% |
| 2022-12-31 | 10.71% |
| 2022-09-30 | 12.54% |
| 2022-06-30 | 12.89% |
| 2022-03-31 | 12.40% |
| 2021-12-31 | 12.74% |
| 2021-09-30 | 11.38% |
| 2021-06-30 | 10.09% |
| 2021-03-31 | 10.49% |
| 2020-12-31 | 7.96% |
| 2020-09-30 | 11.08% |
| 2020-06-30 | 9.17% |
| 2020-03-31 | 11.26% |
| 2019-12-31 | 9.55% |
| 2019-09-30 | 8.45% |
| 2019-06-30 | 8.97% |
| 2019-03-31 | 4.22% |
| 2018-12-31 | 8.36% |
| 2018-09-30 | 11.62% |
| 2018-06-30 | 11.11% |
| 2018-03-31 | 12.43% |
| 2017-12-31 | 8.48% |
| 2017-09-30 | 10.61% |
| 2017-07-01 | 12.16% |
| 2017-03-31 | 12.50% |
| 2016-12-31 | 8.26% |
| 2016-09-30 | 17.78% |
| 2016-06-30 | 18.42% |
| 2016-03-31 | 18.42% |
| 2015-12-31 | 18.16% |
| 2015-09-30 | 18.79% |
| 2015-06-30 | 18.40% |
| 2015-03-31 | 18.13% |
| 2014-12-31 | 16.69% |
| 2014-09-30 | 17.06% |
| 2014-06-30 | 18.10% |
| 2014-03-31 | 17.53% |
| 2013-12-31 | 16.32% |
| 2013-09-30 | 17.40% |
| 2013-06-30 | 17.64% |
| 2013-03-31 | 16.84% |
| 2012-12-31 | 16.46% |
| 2012-09-30 | 16.48% |
| 2012-06-30 | 16.54% |
| 2012-03-31 | 16.13% |
| 2011-12-31 | 13.56% |
| 2011-09-30 | 15.13% |
| 2011-06-30 | 11.77% |
| 2011-03-31 | 14.58% |
| 2010-12-31 | 13.06% |
| 2010-09-30 | 13.48% |
| 2010-06-30 | 13.27% |
| 2010-03-31 | 14.06% |
| 2009-12-31 | 11.64% |
| 2009-09-30 | 13.85% |
| 2009-06-30 | 11.00% |
| 2009-03-31 | 14.75% |
| 2008-12-31 | 12.40% |
| 2008-09-30 | 13.25% |
| 2008-06-30 | 14.33% |
| 2008-03-31 | 14.06% |
| 2007-12-31 | 12.65% |
| 2007-09-30 | 12.86% |
| 2007-06-30 | 14.05% |
| 2007-03-31 | 13.45% |
| 2006-12-31 | 12.37% |
| 2006-09-30 | 9.48% |
| 2006-06-30 | 13.57% |
| 2006-03-31 | 12.32% |
| 2005-12-31 | 10.99% |
| 2005-09-30 | 10.66% |
| 2005-06-30 | 9.87% |
| 2005-03-31 | 7.59% |
| 2004-12-31 | 7.23% |
| 2004-09-30 | 4.75% |
| 2004-06-30 | 8.75% |
| 2004-03-31 | 6.10% |
| 2003-12-31 | 7.23% |
| 2003-09-30 | 6.37% |
| 2003-06-30 | 7.92% |
| 2003-03-31 | 7.26% |
| 2002-12-31 | 7.09% |
| 2002-09-30 | 6.92% |
