Century Aluminum Company Unrealized Gain (Loss) on Derivatives
Century Aluminum Company (CENX) reported Unrealized Gain (Loss) on Derivatives of -$8.80 million for the 6-month period ending 2026-06-30, per its 10-Q filed 2026-08-06.
Financial Statements › Cash Flow › Operating Activities
us-gaap:UnrealizedGainLossOnDerivatives · last filed 2026-08-06
- Century Aluminum Company unrealized gain (loss) on derivatives for the quarter ending 2026-06-30 was $39.20M.
- Century Aluminum Company unrealized gain (loss) on derivatives for the quarter ending 2026-03-31 was -$48.00M.
- Century Aluminum Company unrealized gain (loss) on derivatives for the quarter ending 2025-12-31 was -$27.60M, a 575.86% decline year-over-year.
- Century Aluminum Company unrealized gain (loss) on derivatives for the quarter ending 2025-09-30 was -$20.70M.
- Century Aluminum Company unrealized gain (loss) on derivatives for fiscal 2025 was -$62.80M, a 1356.00% decline from fiscal 2024.
- Century Aluminum Company unrealized gain (loss) on derivatives for fiscal 2024 was $5.00M.
- Century Aluminum Company unrealized gain (loss) on derivatives for fiscal 2023 was -$87.10M, a 143.23% decline from fiscal 2022.
- Century Aluminum Company unrealized gain (loss) on derivatives for fiscal 2022 was $201.50M.
| Period end | Unrealized Gain (Loss) on Derivatives 3 month | Unrealized Gain (Loss) on Derivatives 6 month | Unrealized Gain (Loss) on Derivatives 9 month | Unrealized Gain (Loss) on Derivatives 12 month |
|---|---|---|---|---|
| 2026-06-30 | $39.20M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06 | -$8.80M 10-Q · filed 2026-08-06 | -$36.40M derived: sum of 3 quarters · filed 2026-08-06 | -$57.10M derived: sum of 4 quarters · filed 2026-08-06 |
| 2026-03-31 | -$48.00M 10-Q · filed 2026-05-07 | -$75.60M derived: sum of 2 quarters · filed 2026-05-07 | -$96.30M derived: sum of 3 quarters · filed 2026-05-07 | -$107.80M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-12-31 | -$27.60M derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-03 | -$48.30M derived: sum of 2 quarters · filed 2026-03-03 | -$59.80M derived: sum of 3 quarters · filed 2026-08-06 | -$62.80M 10-K · filed 2026-03-03 |
| 2025-09-30 | -$20.70M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-06 | -$32.20M derived: sum of 2 quarters · filed 2026-08-06 | -$35.20M 10-Q · filed 2025-11-06 | -$29.40M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-06-30 | -$11.50M derived: 10-Q 6 month − 10-Q 3 month · filed 2026-08-06 | -$14.50M 10-Q · filed 2026-08-06 | -$8.70M derived: sum of 3 quarters · filed 2026-08-06 | -$13.20M derived: sum of 4 quarters · filed 2026-08-06 |
| 2025-03-31 | -$3.00M 10-Q · filed 2026-05-07 | $2.80M derived: sum of 2 quarters · filed 2026-05-07 | -$1.70M derived: sum of 3 quarters · filed 2026-05-07 | -$4.40M derived: sum of 4 quarters · filed 2026-05-07 |
| 2024-12-31 | $5.80M derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-03 | $1.30M derived: sum of 2 quarters · filed 2026-03-03 | -$1.40M derived: sum of 3 quarters · filed 2026-03-03 | $5.00M 10-K · filed 2026-03-03 |
| 2024-09-30 | -$4.50M derived: 10-Q 9 month − 10-Q 6 month · filed 2025-11-06 | -$7.20M derived: sum of 2 quarters · filed 2025-11-06 | -$800.00K 10-Q · filed 2025-11-06 | -$3.70M derived: sum of 4 quarters · filed 2026-03-03 |
| 2024-06-30 | -$2.70M derived: 10-Q 6 month − 10-Q 3 month · filed 2025-08-07 | $3.70M 10-Q · filed 2025-08-07 | $800.00K derived: sum of 3 quarters · filed 2026-03-03 | -$17.10M derived: sum of 4 quarters · filed 2026-03-03 |
| 2024-03-31 | $6.40M 10-Q · filed 2025-05-08 | $3.50M derived: sum of 2 quarters · filed 2026-03-03 | -$14.40M derived: sum of 3 quarters · filed 2026-03-03 | -$16.30M derived: sum of 4 quarters · filed 2026-03-03 |
| 2023-12-31 | -$2.90M derived: 10-K 12 month − 10-Q 9 month · filed 2026-03-03 | -$20.80M derived: sum of 2 quarters · filed 2026-03-03 | -$22.70M derived: sum of 3 quarters · filed 2026-03-03 | -$87.10M 10-K · filed 2026-03-03 |
| 2023-09-30 | -$17.90M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-08 | -$19.80M derived: sum of 2 quarters · filed 2024-08-08 | -$84.20M 10-Q · filed 2023-11-08 | -$185.00M derived: sum of 4 quarters · filed 2025-03-03 |
| 2023-06-30 | -$1.90M derived: 10-Q 6 month − 10-Q 3 month · filed 2024-08-08 | -$66.30M 10-Q · filed 2024-08-08 | -$167.10M derived: sum of 3 quarters · filed 2025-03-03 | -$82.30M derived: sum of 4 quarters · filed 2025-03-03 |
| 2023-03-31 | -$64.40M 10-Q · filed 2024-05-01 | -$165.20M derived: sum of 2 quarters · filed 2025-03-03 | -$80.40M derived: sum of 3 quarters · filed 2025-03-03 | $172.60M derived: sum of 4 quarters · filed 2025-03-03 |
| 2022-12-31 | -$100.80M derived: 10-K 12 month − 10-Q 9 month · filed 2025-03-03 | -$16.00M derived: sum of 2 quarters · filed 2025-03-03 | $237.00M derived: sum of 3 quarters · filed 2025-03-03 | $201.50M 10-K · filed 2025-03-03 |
| 2022-09-30 | $84.80M derived: 10-Q 9 month − 10-Q 6 month · filed 2023-11-08 | $337.80M derived: sum of 2 quarters · filed 2023-11-08 | $302.30M 10-Q · filed 2023-11-08 | $360.00M derived: sum of 4 quarters · filed 2024-03-15 |
| 2022-06-30 | $253.00M derived: 10-Q 6 month − 10-Q 3 month · filed 2023-08-09 | $217.50M 10-Q · filed 2023-08-09 | $275.20M derived: sum of 3 quarters · filed 2024-03-15 | $242.10M derived: sum of 4 quarters · filed 2024-03-15 |
| 2022-03-31 | -$35.50M 10-Q · filed 2023-05-09 | $22.20M derived: sum of 2 quarters · filed 2024-03-15 | -$10.90M derived: sum of 3 quarters · filed 2024-03-15 | -$44.00M derived: sum of 4 quarters · filed 2024-03-15 |
| 2021-12-31 | $57.70M derived: 10-K 12 month − 10-Q 9 month · filed 2024-03-15 | $24.60M derived: sum of 2 quarters · filed 2024-03-15 | -$8.50M derived: sum of 3 quarters · filed 2024-03-15 | -$102.90M 10-K · filed 2024-03-15 |
| 2021-09-30 | -$33.10M derived: 10-Q 9 month − 10-Q 6 month · filed 2022-11-07 | -$66.20M derived: sum of 2 quarters · filed 2022-11-07 | -$160.60M 10-Q · filed 2022-11-07 | -$174.00M derived: sum of 4 quarters · filed 2023-02-27 |
| 2021-06-30 | -$33.10M derived: 10-Q 6 month − 10-Q 3 month · filed 2022-08-09 | -$127.50M 10-Q · filed 2022-08-09 | -$140.90M derived: sum of 3 quarters · filed 2023-02-27 | -$146.80M derived: sum of 4 quarters · filed 2023-02-27 |
| 2021-03-31 | -$94.40M 10-Q · filed 2022-05-02 | -$107.80M derived: sum of 2 quarters · filed 2023-02-27 | -$113.70M derived: sum of 3 quarters · filed 2023-02-27 | -$113.80M derived: sum of 4 quarters · filed 2023-02-27 |
| 2020-12-31 | -$13.40M derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-27 | -$19.30M derived: sum of 2 quarters · filed 2023-02-27 | -$19.40M derived: sum of 3 quarters · filed 2023-02-27 | -$15.70M 10-K · filed 2023-02-27 |
| 2020-09-30 | -$5.90M derived: 10-Q 9 month − 10-Q 6 month · filed 2021-11-05 | -$6.00M derived: sum of 2 quarters · filed 2021-11-05 | -$2.30M 10-Q · filed 2021-11-05 | -$1.80M derived: sum of 4 quarters · filed 2022-02-25 |
| 2020-06-30 | -$100.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2021-08-05 | $3.60M 10-Q · filed 2021-08-05 | $4.10M derived: sum of 3 quarters · filed 2022-02-25 | $14.20M derived: sum of 4 quarters · filed 2022-02-25 |
| 2020-03-31 | $3.70M 10-Q · filed 2021-05-07 | $4.20M derived: sum of 2 quarters · filed 2022-02-25 | $14.30M derived: sum of 3 quarters · filed 2022-02-25 | $20.70M derived: sum of 4 quarters · filed 2022-02-25 |
| 2019-12-31 | $500.00K derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-25 | $10.60M derived: sum of 2 quarters · filed 2022-02-25 | $17.00M derived: sum of 3 quarters · filed 2022-02-25 | $11.40M 10-K · filed 2022-02-25 |
| 2019-09-30 | $10.10M derived: 10-Q 9 month − 10-Q 6 month · filed 2020-11-05 | $16.50M derived: sum of 2 quarters · filed 2020-11-05 | $10.90M 10-Q · filed 2020-11-05 | $15.50M derived: sum of 4 quarters · filed 2021-03-04 |
| 2019-06-30 | $6.40M derived: 10-Q 6 month − 10-Q 3 month · filed 2020-08-06 | $800.00K 10-Q · filed 2020-08-06 | $5.40M derived: sum of 3 quarters · filed 2021-03-04 | $6.10M derived: sum of 4 quarters · filed 2021-03-04 |
| 2019-03-31 | -$5.60M 10-Q · filed 2020-05-04 | -$1.00M derived: sum of 2 quarters · filed 2021-03-04 | -$300.00K derived: sum of 3 quarters · filed 2021-03-04 | $500.00K derived: sum of 4 quarters · filed 2021-03-04 |
| 2018-12-31 | $4.60M derived: 10-K 12 month − 10-Q 9 month · filed 2021-03-04 | $5.30M derived: sum of 2 quarters · filed 2021-03-04 | $6.10M derived: sum of 3 quarters · filed 2021-03-04 | $6.50M 10-K · filed 2021-03-04 |
| 2018-09-30 | $700.00K derived: 10-Q 9 month − 10-Q 6 month · filed 2019-11-08 | $1.50M derived: sum of 2 quarters · filed 2019-11-08 | $1.90M 10-Q · filed 2019-11-08 | |
| 2018-06-30 | $800.00K derived: 10-Q 6 month − 10-Q 3 month · filed 2019-08-08 | $1.20M 10-Q · filed 2019-08-08 | ||
| 2018-03-31 | $400.00K 10-Q · filed 2019-05-08 | |||
| 2017-12-31 | $0.00 10-K · filed 2020-02-27 | |||
| 2016-12-31 | $0.00 10-K · filed 2019-02-28 |
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