Century Aluminum (CENX) Tax Rate (2010 - 2026)
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.
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 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
| Date | Value |
|---|---|
| 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% |
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
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-rate", "ticker": "CENX", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()
const res = await fetch("https://data.businessquant.com/historic?slug=tax-rate&ticker=CENX&period=max&api_key=YOUR_API_KEY");
const data = await res.json();