Olympiakos Syndesmos Filathlon Peiraios（Super League 1）：每一笔引进与离队、支出与收入的转会费，以及阵容的市场价值。 支出 €145m，收入 €196m。
| 日期 | 球员 | 来自 | 去往 | 费用 |
|---|---|---|---|---|
| 2026-02-06 | Nikolaos Athanasiou | Olympiacos | OFI Crete | 租借 |
| 2026-02-06 | Stavros Pnevmonidis | Olympiacos | Atromitos | 租借 |
| 2026-02-03 | Clayton | Rio Ave | Olympiacos | €5m |
| 2026-02-02 | Gabriel Strefezza | Olympiacos | Parma | 租借 |
| 2026-02-02 | Gustavo Mancha | Olympiacos | Rio Ave | 租借 |
| 2026-02-02 | Roman Yaremchuk | Olympiacos | Lyon | 租借 |
| 2026-01-29 | André Luiz | Rio Ave | Olympiacos | €6.8m |
| 2026-01-26 | Pep Biel | Olympiacos | Charlotte | €3.5m |
| 2026-01-01 | Rémy Cabella | Olympiacos | FC Nantes | 租借 |
| 2025-09-01 | Daniel Podence | Al-Shabab | Olympiacos | 租借 |
| 2025-09-01 | Gustavo Mancha | Fortaleza | Olympiacos | €4.5m |
| 2025-08-31 | Mehdi Taremi | Inter | Olympiacos | €2m |
| 2025-08-22 | Alexandros Anagnostopoulos | Olympiacos | AE Larisa | 免费 |
| 2025-08-13 | Georgios Masouras | Olympiacos | Al-Khaleej | 租借 |
| 2025-08-13 | Kristoffer Velde | Olympiacos | Portland | €4.3m |
| 2025-08-08 | Jefté Betancor | Olympiacos | Albacete | 租借 |
| 2025-07-31 | Gabriel Strefezza | Como | Olympiacos | €8m |
| 2025-07-22 | Konstantinos Kostoulas | Olympiacos | OFI Crete | 免费 |
| 2025-07-13 | Diogo Nascimento | Vizela | Olympiacos | €4m |
| 2025-07-09 | Lorenzo Scipioni | Tigre | Olympiacos | €3.7m |