Atlético CP played 85 league seasons and cup tournaments in the data, 1944 to 2026. Success weighs every finish by how hard that competition was to win; Efficiency is the share of what the club could have won that it did win; Edge compares that with an average participant (×1.00).
| 569 | Vorskla Poltava (Ukraine) | 4.6 |
| 570 | Varese (Italy) | 4.6 |
| 571 | Port Vale (England) | 4.5 |
| 572 | Atlético CP (Portugal) | 4.5 |
| 573 | Toulon (France) | 4.5 |
| 574 | Racing de Córdoba (Argentina) | 4.5 |
| 575 | Excelsior (Netherlands) | 4.5 |