Century Aluminum CENX
NASDAQ CENX
$35.98 -0.22 (-0.61%)
At close: Sep 30, 2026 · 4:00 PM EDT

Century Aluminum (CENX) Tax Rate (2010 - 2026)

Updated

Century Aluminum's Tax Rate was 4.71% in Q2 2026, down 5.29 percentage points from 10.00% a year earlier but up 4.16 percentage points from the prior quarter.

Analysis

Century Aluminum (CENX) Tax Rate (2010 - 2026) Analysis & Trends

On a trailing twelve-month basis, Century Aluminum's Tax Rate was 0.09% through Jun 30, 2026, down 3.16 percentage points year-over-year; for FY2025, it was -485.19%, down 486.22 percentage points from FY2024.

  • Tax Rate has now declined for three consecutive years, with a five-year change of -487.64 percentage points (FY2020 to FY2025).
  • In earlier years, Tax Rate was 1.03% in FY2024 (-19.50 pp), 20.53% in FY2023 (-121.38 pp), 141.92% in FY2022 (+126.43 pp) and 15.49% in FY2021 (+13.03 pp).
  • Quarterly Tax Rate has moved between -15.49% (Q3 2025) and 294.12% (Q2 2023) over five years.
  • Compared with a year earlier, Tax Rate was higher in three of the last eight quarters, with an average year-over-year change of +0.38 percentage points.
  • The best year-over-year quarter for Tax Rate over five years was Q2 2023 (a gain of 241.04 percentage points); the worst was Q2 2024 (a drop of 298.62 percentage points).
  • Per Business Quant data, CENX's Tax Rate in the three quarters before Q2 2026 was 0.55% (Q1 2026), 51.90% (Q4 2025) and -15.49% (Q3 2025).
Peer Set

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Rio Tinto 181.90 Bn 148.03 Bn - -
2 Southern Copper 169.19 Bn 148.06 Bn 2.90 Bn -
3 Newmont 121.55 Bn 89.73 Bn 4.03 Bn 31.74%
4 Ternium 108.92 Bn 73.97 Bn 941.02 Mn -
5 Freeport-Mcmoran 100.46 Bn 96.62 Bn 2.19 Bn 28.19%
6 Agnico Eagle Mines 91.62 Bn 91.62 Bn 2.43 Bn 31.10%
7 Barrick Mining 68.12 Bn 52.86 Bn 2.90 Bn -
8 Nucor 53.04 Bn 43.58 Bn 2.03 Bn 21.23%
9 ArcelorMittal 50.74 Bn 31.77 Bn - -
10 Century Aluminum 3.56 Bn 2.82 Bn 227.90 Mn 4.71%
Historic Data

Historic Data

Download Data
DateValue
Jun 30, 2026 4.71%
Mar 31, 2026 0.55%
Mar 31, 2025 6.67%
Dec 31, 2024 0.75%
Sep 30, 2024 5.08%
Mar 31, 2024 0.21%
Dec 31, 2023 23.57%
Sep 30, 2022 31.74%
Jun 30, 2022 53.07%
Mar 31, 2022 8.76%
Dec 31, 2021 17.91%
Jun 30, 2018 11.68%
Dec 31, 2017 8.03%
Sep 30, 2017 13.81%
Jun 30, 2017 15.91%
Mar 31, 2015 11.26%
Dec 31, 2014 13.07%
Sep 30, 2014 11.39%
Jun 30, 2014 7.83%
Mar 31, 2013 25.63%
API Access

Century Aluminum Tax Rate 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=tax-rate&ticker=CENX&period=max&api_key=YOUR_API_KEY