Basis: Trailing twelve months (TTM). Source: stored company filings and market data; unavailable inputs remain N/A.
Is the operating margin high or low?
The operating margin of -27.80% is 3790% below its 5-year average of -0.71%, near the low end of its 5-year range (-49.24%–28.69%).
6.68% above its 12-month average of -29.79%.
Reported quarterly operating margin; no daily interpolation. Q4 FY2026 (2026-05-29): -5.03%.
OPERATING MARGIN
-27.80%
OPERATING MARGIN AVG TTM
-29.79%
OPERATING MARGIN AVG 3Y
-8.16%
OPERATING MARGIN AVG 5Y
-0.71%
OPERATING MARGIN AVG 10Y
-6.77%
OPERATING MARGIN AVG 15Y
-13.70%
OPERATING MARGIN AVG 20Y
-12.29%
CURRENT VS TTM AVG
+6.68%
CURRENT VS 3Y AVG
-240.77%
CURRENT VS 5Y AVG
-3790.11%
CURRENT VS 10Y AVG
-310.44%
CURRENT VS 15Y AVG
-102.87%
CURRENT VS 20Y AVG
-126.22%
SECTOR MEDIAN · TECHNOLOGY
1.14%
median of 581 covered companies
CURRENT VS SECTOR MEDIAN
-2538.60%
vs the sector median at left
Aehr Test Systems
Market Cap
$3.27B
Operating Margin
-27.80%
TTM Avg
-29.79%
3Y Avg
-8.16%
5Y Avg
-0.71%
Market Cap
$3.24B
Operating Margin
2.84%
TTM Avg
3.24%
3Y Avg
3.39%
5Y Avg
5.18%
Market Cap
$3.27B
Operating Margin
12.26%
TTM Avg
12.48%
3Y Avg
11.96%
5Y Avg
11.36%
Market Cap
$3.28B
Operating Margin
-43.69%
TTM Avg
-68.73%
3Y Avg
-235.00%
5Y Avg
-251.80%
Market Cap
$3.19B
Operating Margin
-190.03%
TTM Avg
-173.45%
3Y Avg
-205.36%
5Y Avg
-211.46%
Market Cap
$3.18B
Operating Margin
4.93%
TTM Avg
3.27%
3Y Avg
3.12%
5Y Avg
3.74%
Market Cap
$3.14B
Operating Margin
16.44%
TTM Avg
13.98%
3Y Avg
12.92%
5Y Avg
10.24%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Aehr Test Systems (AEHR) | $3.27B | -27.80% | -29.79% | -8.16% | -0.71% |
| Ultra Clean Holdings, Inc. (UCTT)vs › | $3.24B | 2.84% | 3.24% | 3.39% | 5.18% |
| OSI Systems, Inc. (OSIS)vs › | $3.27B | 12.26% | 12.48% | 11.96% | 11.36% |
| Ouster, Inc. (OUST)vs › | $3.28B | -43.69% | -68.73% | -235.00% | -251.80% |
| Navitas Semiconductor Corp (NVTS)vs › | $3.19B | -190.03% | -173.45% | -205.36% | -211.46% |
| Extreme Networks, Inc. (EXTR)vs › | $3.18B | 4.93% | 3.27% | 3.12% | 3.74% |
| Life360, Inc. (LIF)vs › | $3.34B | 1.14% | 0.85% | -12.38% | -16.46% |
| Bel Fuse Inc. (BELFB)vs › | $3.14B | 16.44% | 13.98% | 12.92% | 10.24% |
| AvePoint, Inc. (AVPT)vs › | $3.12B | 9.78% | 5.02% | -3.25% | -8.51% |
| Ionic Digital Inc. Class A (IOND)vs › | $3.10B | -44.79% | -22.39% | -11.20% | -11.20% |
Gross Margin
34.7%
Operating Margin
-27.8%
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 |
|---|---|
| 2026-05-29 | -5.03% |
| 2026-02-27 | -41.01% |
| 2025-11-28 | -49.24% |
| 2025-08-29 | -37.07% |
| 2025-05-30 | -16.61% |
| 2025-02-28 | -6.11% |
| 2024-11-29 | -11.25% |
| 2024-08-30 | 1.21% |
| 2024-05-31 | 15.31% |
| 2024-02-29 | -27.05% |
| 2023-11-30 | 25.51% |
| 2023-08-31 | 19.95% |
| 2023-05-31 | 25.32% |
| 2023-02-28 | 22.04% |
| 2022-11-30 | 23.52% |
| 2022-08-31 | 4.29% |
| 2022-05-31 | 28.69% |
| 2022-02-28 | 14.76% |
| 2021-11-30 | 7.46% |
| 2021-08-31 | -17.59% |
| 2021-05-31 | 7.87% |
| 2021-02-28 | -12.38% |
| 2020-11-30 | -115.51% |
| 2020-08-31 | -108.70% |
| 2020-05-31 | -69.47% |
| 2020-02-29 | 4.17% |
| 2019-11-30 | 3.64% |
| 2019-08-31 | -7.75% |
| 2019-05-31 | 3.33% |
| 2019-02-28 | -79.32% |
| 2018-11-30 | -9.56% |
| 2018-08-31 | -30.42% |
| 2018-05-31 | 3.43% |
| 2018-02-28 | 4.15% |
| 2017-11-30 | 2.36% |
| 2017-08-31 | 2.47% |
| 2017-05-31 | -9.07% |
| 2017-02-28 | -92.09% |
| 2016-11-30 | -30.46% |
| 2016-08-31 | -10.72% |
| 2016-05-30 | -182.43% |
| 2016-02-29 | -168.10% |
| 2015-11-30 | -20.45% |
| 2015-08-31 | 7.18% |
| 2015-05-31 | -99.61% |
| 2015-02-28 | -86.98% |
| 2014-11-30 | -82.10% |
| 2014-08-31 | -27.35% |
| 2014-05-31 | 3.97% |
| 2014-02-28 | 4.67% |
| 2013-11-30 | 3.62% |
| 2013-08-31 | -4.18% |
| 2013-05-31 | -25.94% |
| 2013-02-28 | -42.84% |
| 2012-11-30 | -15.18% |
| 2012-08-31 | -5.44% |
| 2012-05-31 | -17.90% |
| 2012-02-29 | -47.29% |
| 2011-11-30 | -37.28% |
| 2011-08-31 | -21.33% |
| 2011-05-31 | -9.84% |
| 2011-02-28 | -21.69% |
| 2010-11-30 | -37.38% |
| 2010-08-31 | -79.11% |
| 2010-05-31 | -24.28% |
| 2010-02-28 | 28.58% |
| 2009-11-30 | -142.83% |
| 2009-08-31 | 77.05% |
| 2009-05-31 | -322.82% |
| 2009-02-28 | -1944.29% |
| 2008-11-30 | 12.82% |
| 2008-08-31 | 13.98% |
| 2008-05-31 | 16.48% |
| 2008-02-29 | 15.78% |
| 2007-11-30 | 16.45% |
| 2007-08-31 | 9.36% |
| 2007-05-31 | 10.11% |
| 2007-02-28 | 1.14% |
| 2006-11-30 | -1.31% |
| 2006-08-31 | 3.24% |
| 2006-05-31 | 5.71% |
| 2006-02-28 | 3.09% |
| 2005-11-30 | 2.70% |
| 2005-08-31 | -6.41% |
| 2005-05-31 | -50.03% |
| 2005-02-28 | -63.82% |
| 2004-11-30 | -12.92% |
| 2004-08-31 | -23.42% |
| 2004-05-31 | -10.18% |
| 2004-02-29 | -80.24% |
| 2003-11-30 | -29.67% |
| 2003-08-31 | -26.55% |
| 2003-05-31 | -18.67% |
| 2003-02-28 | -26.84% |
| 2002-11-30 | -56.90% |
| 2002-08-31 | -31.73% |
