Olympiakos N.: every transfer in and out, fees paid and earned, squad market value and €405k earned.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Christos Talichmanidis | PAOK | Olympiakos N. | Free |
| 2023-07-01 | Nikolaos Dosis | Olympiakos N. | Without Club | — |
| 2023-07-01 | Joël Mall | Olympiakos N. | Servette FC | Free |
| 2023-07-01 | Charles | Olympiakos N. | Vit. Guimarães | Free |
| 2023-01-19 | Sasa Markovic | Olympiakos N. | Mladost GAT | Free |
| 2022-08-26 | Bert Esselink | APOEL Nicosia | Olympiakos N. | Loan |
| 2022-08-21 | Nikolaos Dosis | Östersund | Olympiakos N. | Free |
| 2022-08-18 | Sasa Markovic | Apol. Limassol | Olympiakos N. | Free |
| 2022-08-17 | Aloïs Confais | Olympiakos N. | Le Havre AC | — |
| 2022-07-19 | Christian Manrique | Olympiakos N. | Debrecen | Free |
| 2022-07-15 | Konstantinos Karagiannis | Olympiakos N. | Akritas Chlor. | Free |
| 2022-07-09 | Zanos Savva | Olympiakos N. | Torino U19 | — |
| 2022-07-08 | Charles | Vizela | Olympiakos N. | Free |
| 2022-07-01 | Zanos Savva | O. Nicosia U19 | Olympiakos N. | — |
| 2022-01-01 | Vasilios Mantzis | Olympiakos N. | Ionikos Nikeas | Free |
| 2021-07-08 | Joël Mall | AEK Larnaca | Olympiakos N. | Free |
| 2021-07-01 | Stelios Andreou | Olympiakos N. | R Charleroi SC | €265k |
| 2021-07-01 | Omar Santana | Olympiakos N. | GS Kallithea | Free |
| 2021-07-01 | Konstantinos Sotiriou | Olympiakos N. | AEL Limassol | Free |
| 2021-07-01 | Aloïs Confais | Nea Salamis | Olympiakos N. | Free |