Century Aluminum CENX
NASDAQ CENX
$36.20 -1.20 (-3.21%)
At close: Sep 29, 2026 · 4:00 PM EDT

Century Aluminum (CENX) Operating Margin (2010 - 2026)

Updated

Century Aluminum (CENX) posted Operating Margin of 28.13% for Q2 2026, up 25.25 percentage points from 2.88% a year earlier but down 29.47 percentage points from the prior quarter.

Analysis

Century Aluminum (CENX) Operating Margin (2010 - 2026) Analysis & Trends

For the trailing twelve months through Jun 30, 2026, Operating Margin at Century Aluminum was 25.29%, up 18.87 percentage points year-over-year; for FY2025, it was 6.25%, up 1.37 percentage points from FY2024.

  • Annual Operating Margin has increased for three consecutive years, with a five-year change of +11.27 percentage points (FY2020 to FY2025).
  • In prior years, Century Aluminum's Operating Margin was 4.88% in FY2024 (+3.62 pp), 1.26% in FY2023 (+6.67 pp), -5.41% in FY2022 (-8.39 pp) and 2.98% in FY2021 (+8.00 pp).
  • Quarterly Operating Margin has run from a low of -17.45% in Q2 2022 to a high of 57.61% in Q1 2026 over five years.
  • On a year-over-year basis, Operating Margin increased in six of the last eight quarters, with an average year-over-year change of +12.43 percentage points.
  • The strongest year-over-year quarter for Operating Margin in the past five years was Q1 2026, with a gain of 50.86 percentage points; the weakest was Q2 2022, with a drop of 19.74 percentage points.
  • According to Business Quant data, Operating Margin for the three prior quarters was 57.61% (Q1 2026), 5.21% (Q4 2025) and 8.84% (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Operating Margin (Qtr)
1 Rio Tinto 179.45 Bn 145.58 Bn - -
2 Southern Copper 169.08 Bn 147.94 Bn 2.90 Bn 61.16%
3 Newmont 122.31 Bn 90.49 Bn 4.03 Bn 16.48%
4 Ternium 109.20 Bn 74.25 Bn 941.02 Mn 12.17%
5 Freeport-Mcmoran 103.31 Bn 99.46 Bn 2.19 Bn 28.50%
6 Agnico Eagle Mines 92.04 Bn 92.04 Bn 2.43 Bn -
7 Barrick Mining 68.84 Bn 53.58 Bn 2.90 Bn 51.63%
8 Nucor 55.48 Bn 46.02 Bn 2.03 Bn 15.67%
9 ArcelorMittal 53.16 Bn 34.19 Bn - 6.29%
10 Century Aluminum 3.70 Bn 2.96 Bn 227.90 Mn 28.13%
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 28.13%
Mar 31, 2026 57.61%
Dec 31, 2025 5.21%
Sep 30, 2025 8.84%
Jun 30, 2025 2.88%
Mar 31, 2025 6.75%
Dec 31, 2024 5.75%
Sep 30, 2024 10.93%
Jun 30, 2024 0.27%
Mar 31, 2024 -0.33%
Dec 31, 2023 4.86%
Sep 30, 2023 -4.44%
Jun 30, 2023 -0.12%
Mar 31, 2023 4.98%
Dec 31, 2022 -5.76%
Sep 30, 2022 -8.08%
Jun 30, 2022 -17.45%
Mar 31, 2022 10.79%
Dec 31, 2021 7.66%
Sep 30, 2021 6.93%
API Access

Century Aluminum Operating Margin API

Pull this series into your own models, spreadsheets and apps with the Business Quant Historical Metrics API. The request below matches the chart above — change the frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.

https://data.businessquant.com/historic?slug=operating-margin&ticker=CENX&period=max&api_key=YOUR_API_KEY