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 6.25% is 47% above its 5-year average of 4.24%, around the middle of its 5-year range (-17.45%–28.13%).
48.21% below its 12-month average of 12.07%.
Reported quarterly operating margin; no daily interpolation. Q2 FY2026 (2026-06-30): 28.13%.
OPERATING MARGIN
6.25%
OPERATING MARGIN AVG TTM
12.07%
OPERATING MARGIN AVG 3Y
5.15%
OPERATING MARGIN AVG 5Y
4.24%
OPERATING MARGIN AVG 10Y
0.30%
OPERATING MARGIN AVG 15Y
0.18%
OPERATING MARGIN AVG 20Y
3.54%
CURRENT VS TTM AVG
-48.21%
CURRENT VS 3Y AVG
+21.37%
CURRENT VS 5Y AVG
+47.32%
CURRENT VS 10Y AVG
+1953.82%
CURRENT VS 15Y AVG
+3379.34%
CURRENT VS 20Y AVG
+76.80%
SECTOR MEDIAN · BASIC MATERIALS
5.49%
median of 136 covered companies
CURRENT VS SECTOR MEDIAN
+13.74%
vs the sector median at left
Century Aluminum Company
Market Cap
$3.70B
Operating Margin
6.25%
TTM Avg
12.07%
3Y Avg
5.15%
5Y Avg
4.24%
Market Cap
$3.65B
Operating Margin
44.60%
TTM Avg
30.83%
3Y Avg
30.22%
5Y Avg
32.73%
Market Cap
$3.75B
Operating Margin
-86.59%
TTM Avg
-86.59%
3Y Avg
-86.59%
5Y Avg
-86.59%
Market Cap
$3.96B
Operating Margin
28.06%
TTM Avg
28.06%
3Y Avg
28.06%
5Y Avg
28.06%
Market Cap
$3.15B
Operating Margin
42.11%
TTM Avg
40.84%
3Y Avg
33.81%
5Y Avg
30.14%
Market Cap
$4.34B
Operating Margin
8.19%
TTM Avg
11.68%
3Y Avg
6.02%
5Y Avg
6.39%
Market Cap
$4.48B
Operating Margin
5.06%
TTM Avg
6.61%
3Y Avg
8.01%
5Y Avg
8.12%
| NAME | MARKET CAP | OPERATING MARGIN | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| Century Aluminum Company (CENX) | $3.70B | 6.25% | 12.07% | 5.15% | 4.24% |
| Aris Mining Corporation (ARIS)vs › | $3.65B | 44.60% | 30.83% | 30.22% | 32.73% |
| Almonty Industries Inc. (ALM)vs › | $3.75B | -86.59% | -86.59% | -86.59% | -86.59% |
| Aya Gold & Silver Inc. (AYA)vs › | $3.96B | 28.06% | 28.06% | 28.06% | 28.06% |
| United States Lime & Minerals, Inc. (USLM)vs › | $3.15B | 42.11% | 40.84% | 33.81% | 30.14% |
| Griffon Corporation (GFF)vs › | $4.34B | 8.19% | 11.68% | 6.02% | 6.39% |
| UFP Industries, Inc. (UFPI)vs › | $4.48B | 5.06% | 6.61% | 8.01% | 8.12% |
| Hawkins, Inc. (HWKN)vs › | $2.78B | 10.31% | 11.49% | 10.93% | 10.59% |
| WD-40 Company (WDFC)vs › | $2.75B | 17.48% | 16.53% | 16.65% | 17.28% |
| Methanex Corporation (MEOH)vs › | $4.70B | 17.37% | 10.82% | 10.04% | 9.05% |
Gross Margin
10.1%
Operating Margin
6.3%
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 | 28.13% |
| 2026-03-31 | 13.26% |
| 2025-12-31 | 6.42% |
| 2025-09-30 | 9.22% |
| 2025-06-30 | 3.30% |
| 2025-03-31 | 7.27% |
| 2024-12-31 | 7.81% |
| 2024-09-30 | 11.83% |
| 2024-06-30 | 1.14% |
| 2024-03-31 | 0.39% |
| 2023-12-31 | 5.70% |
| 2023-09-30 | -4.44% |
| 2023-06-30 | -0.12% |
| 2023-03-31 | 4.98% |
| 2022-12-31 | -5.76% |
| 2022-09-30 | -8.08% |
| 2022-06-30 | -17.45% |
| 2022-03-31 | 10.79% |
| 2021-12-31 | 7.66% |
| 2021-09-30 | 6.93% |
| 2021-06-30 | 2.29% |
| 2021-03-31 | -8.31% |
| 2020-12-31 | -3.39% |
| 2020-09-30 | -9.65% |
| 2020-06-30 | -6.22% |
| 2020-03-31 | -1.04% |
| 2019-12-31 | -0.67% |
| 2019-09-30 | -5.75% |
| 2019-06-30 | -3.45% |
| 2019-03-31 | -5.67% |
| 2018-12-31 | -14.05% |
| 2018-09-30 | -3.24% |
| 2018-06-30 | 4.57% |
| 2018-03-31 | 0.77% |
| 2017-12-31 | 9.98% |
| 2017-09-30 | 8.10% |
| 2017-06-30 | 3.33% |
| 2017-03-31 | 1.42% |
| 2016-12-31 | -46.98% |
| 2016-09-30 | -16.50% |
| 2016-06-30 | -1.51% |
| 2016-03-31 | -4.25% |
| 2015-12-31 | -7.42% |
| 2015-09-30 | -12.22% |
| 2015-06-30 | -6.71% |
| 2015-03-31 | 13.62% |
| 2014-12-31 | 12.13% |
| 2014-09-30 | 12.41% |
| 2014-06-30 | 5.68% |
| 2014-03-31 | -3.38% |
| 2013-12-31 | -2.15% |
| 2013-09-30 | -1.06% |
| 2013-06-30 | -7.19% |
| 2013-03-31 | 0.06% |
| 2012-12-31 | 0.83% |
| 2012-09-30 | -4.37% |
| 2012-06-30 | -1.55% |
| 2012-03-31 | 2.77% |
| 2011-12-31 | -8.54% |
| 2011-09-30 | 0.21% |
| 2011-06-30 | 9.87% |
| 2011-03-31 | 11.52% |
| 2010-12-31 | 25.13% |
| 2010-09-30 | 0.07% |
| 2010-06-30 | 2.05% |
| 2010-03-31 | 6.05% |
| 2009-12-31 | -2.66% |
| 2009-09-30 | 18.30% |
| 2009-06-30 | -13.57% |
| 2009-03-31 | -47.56% |
| 2008-12-31 | -40.20% |
| 2008-09-30 | 20.05% |
| 2008-06-30 | 26.11% |
| 2008-03-31 | 16.37% |
| 2007-12-31 | 9.44% |
| 2007-09-30 | 15.65% |
| 2007-06-30 | 20.25% |
| 2007-03-31 | 21.82% |
| 2006-12-31 | 19.41% |
| 2006-09-30 | 16.48% |
| 2006-06-30 | 24.54% |
| 2006-03-31 | 18.55% |
| 2005-12-31 | 8.49% |
| 2005-09-30 | 8.11% |
| 2005-06-30 | 13.17% |
| 2005-03-31 | 14.65% |
| 2004-12-31 | 14.77% |
| 2004-09-30 | 13.05% |
| 2004-06-30 | 15.62% |
| 2004-03-31 | 13.63% |
| 2003-12-31 | 6.72% |
| 2003-09-30 | 3.03% |
| 2003-06-30 | 1.88% |
| 2003-03-31 | 1.99% |
| 2002-12-31 | 2.28% |
| 2002-09-30 | -2.28% |
