Konstantinos Kostoulas (Centre-Back, age 21, at OFI): ACTUAL Value €705k, in line with the €800k market value. Transfer history, fees and where the career can go next. Updated after their last match, 2026-08-23.
| Date | From | To | Fee |
|---|---|---|---|
| 2025-07-22 | Olympiacos | OFI Crete | Free |
| 2025-07-22 | Olympiacos | OFI | Free |
| 2025-06-30 | Rio Ave | Olympiacos | Free |
| 2025-02-12 | Rio Ave U23 | Rio Ave | — |
| 2024-07-11 | Olympiacos | Rio Ave U23 | Free |
| 2024-07-11 | Olympiacos | Rio Ave U23 | Loan |
| 2024-07-01 | Olympiacos B | Olympiacos | — |
| 2024-07-01 | Olympiakos Piraeus II | Olympiacos | Free |
| 2023-07-01 | Olympiacos U19 | Olympiacos B | — |
| 2023-07-01 | Olympiacos F.C. U19 | Olympiakos Piraeus II | Free |
| 2022-02-04 | Olympiacos U17 | Olympiacos U19 | — |
OFI Crete · Olympiacos · OFI · Olympiacos · Rio Ave · Rio Ave U23 · Rio Ave U23 · Olympiacos B · Olympiakos Piraeus II · Olympiacos U19 · Olympiacos U17