Altay SK (Super Lig): every transfer in and out, fees paid and earned, squad market value, €868k spent and €5.3m earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2024-07-01 | Enes Öğrüce | Altay SK | Bodrum FK | — |
| 2023-07-25 | Mohammad Naderi | Altay SK | Tractor | Free |
| 2023-01-30 | Serge Arnaud Aka | Altay SK | Ismaily | Free |
| 2022-07-04 | Murat Akça | Altay SK | Pendikspor | Free |
| 2022-07-02 | César Pinares | Altay SK | Universidad Católica | Free |
| 2022-07-01 | Mateusz Lis | Altay SK | Southampton | Free |
| 2022-07-01 | Leandro Kappel | Altay SK | Pendikspor | Free |
| 2022-07-01 | Kazımcan Karataş | Altay SK | Galatasaray | €1.1m |
| 2022-07-01 | Enes Öğrüce | Altay SK U19 | Altay SK | — |
| 2022-07-01 | Cebrail Karayel | Altay SK | Konyaspor | Free |
| 2021-09-08 | Berkay Sülüngöz | Altay SK | Without Club | — |
| 2021-08-12 | Ahmed Yasser Rayan | Al Ahly | Altay SK | Loan |
| 2021-08-11 | Mohammad Naderi | Esteghlal FC | Altay SK | Free |
| 2021-08-06 | Serge Arnaud Aka | El Gounah | Altay SK | Free |
| 2021-08-06 | Mateusz Lis | Wisla Kraków | Altay SK | €700k |
| 2021-07-31 | Thaciano | Grêmio | Altay SK | Loan |
| 2021-07-30 | Martín Rodríguez | Colo-Colo | Altay SK | €168k |
| 2021-01-31 | Player | Altay SK | Dinamo Minsk | Free |
| 2021-01-22 | Cebrail Karayel | Ankaragücü | Altay SK | Free |
| 2021-01-21 | Murat Akça | Y. Malatyaspor | Altay SK | Free |