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

Century Aluminum's (CENX) quarterly Tax Rate came in at 0.55% in Q1 2026, down 612.0% YoY from 0.11% in Q1 2025, and down 98.95% on a QoQ basis from 51.9% in Q4 2025.

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

Century Aluminum (CENX) has 17 years of Tax Rate data on file, last reported at 0.55% in Q1 2026.

  • Quarterly Tax Rate fell 612.0% year-over-year to 0.55% in Q1 2026, while the trailing twelve-month figure through Mar 2026 was 4.31% (down 977.0% YoY) and the FY2025 annual result came in at 485.19%, down 48622.0% from the prior year.
  • Tax Rate eased to 0.55% in Q1 2026, from 51.9% in the prior quarter.
  • In the past five years, Tax Rate ranged from a high of 294.12% in Q2 2023 to a low of 15.49% in Q3 2025.
  • A 5-year average of 29.38% and a median of 8.76% in 2022 frame the typical range for Tax Rate.
  • Annual changes were most pronounced in 2023 — Tax Rate soared 24104 bps — and 2024, when it plunged 29862 bps.
  • Tracing CENX's Tax Rate over 5 years: stood at 13.17% in 2022, then soared by 79 bps to 23.57% in 2023, then tumbled by 97 bps to 0.75% in 2024, then surged by 6777 bps to 51.9% in 2025, then sank by 99 bps to 0.55% in 2026.
  • The last three Tax Rate figures came in at 0.55% (Q1 2026), 51.9% (Q4 2025), and 15.49% (Q3 2025), per Business Quant data.

Peer Comparison

# Company Market Cap Enterprise Value Gross Profit (Qtr) Tax Rate (Qtr)
1 Alcoa 14.10 Bn 12.67 Bn 999.00 Mn 15.15%
2 Century Aluminum 5.19 Bn 4.84 Bn 227.90 Mn 4.71%
3 Constellium Se 4.06 Bn 3.90 Bn 480.00 Mn 30.84%
4 Kaiser Aluminum 3.16 Bn 3.10 Bn 199.00 Mn 23.36%

Historic Data

Download Data
DateValue
Jun 30, 2026 4.71%
Jun 30, 2026 4.71%
Jun 30, 2026 4.71%
Mar 31, 2026 0.55%
Mar 31, 2026 0.55%
Mar 31, 2026 0.55%
Dec 31, 2025 51.90%
Dec 31, 2025 51.90%
Dec 31, 2025 51.90%
Sep 30, 2025 -15.49%
Sep 30, 2025 -15.49%
Sep 30, 2025 -15.49%
Jun 30, 2025 10.00%
Jun 30, 2025 10.00%
Jun 30, 2025 10.00%
Mar 31, 2025 6.67%
Mar 31, 2025 6.67%
Mar 31, 2025 6.67%
Dec 31, 2024 0.75%
Dec 31, 2024 0.75%