Olympiacos U17: every transfer in and out, fees paid and earned, squad market value, €1m spent.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2026-01-20 | Asteris Konstantinidis | Panserraikos | Olympiacos U17 | — |
| 2023-07-01 | Stavros Pnevmonidis | Olympiacos U17 | Olympiacos U19 | — |
| 2023-07-01 | Nektarios Alafakis | Olympiacos U17 | Olympiacos U19 | — |
| 2023-07-01 | Georgios Kouraklis | Olympiacos U17 | Olympiacos U19 | — |
| 2023-07-01 | Christos Ligdas | Olympiacos U17 | Olympiacos U19 | — |
| 2023-07-01 | Argyrios Liatsikouras | Olympiacos U17 | Olympiacos U19 | — |
| 2022-09-20 | Charalampos Kostoulas | Olympiacos U17 | Olympiacos U19 | — |
| 2022-08-22 | Konstantinos Grozos | Olympiacos U17 | AE Larisa U17 | Free |
| 2022-07-01 | Theofanis Bakoulas | Olympiacos U17 | Olympiacos U19 | — |
| 2022-07-01 | Konstantinos Mavropoulos | Olympiacos U17 | Panetolikos U19 | Free |
| 2022-02-04 | Konstantinos Kostoulas | Olympiacos U17 | Olympiacos U19 | — |
| 2022-02-04 | Antonis Papakanellos | Olympiacos U17 | Olympiacos U19 | — |
| 2022-01-01 | Christos Mouzakitis | Olympiacos U17 | Olympiacos U19 | — |
| 2021-07-20 | Konstantinos Grozos | PAOL Averof | Olympiacos U17 | Free |
| 2021-07-01 | Michalis Patiras | Olympiacos U17 | Olympiacos U19 | — |
| 2021-07-01 | Konstantinos Kyriazis | Olympiacos U17 | Olympiacos U19 | — |
| 2021-07-01 | Christos Giannoulis | Olympiacos U17 | Olympiacos U19 | — |
| 2021-07-01 | Athanasios Koutsogoulas | Olympiacos U17 | Olympiacos U19 | — |
| 2021-07-01 | Antzelo Sina | Olympiacos U17 | Olympiacos U19 | — |
| 2020-10-13 | Michalis Patiras | Xanthi U19 | Olympiacos U17 | Free |