Rayo Youth: every transfer in and out, fees paid and earned, squad market value.
| Date | Player | From | To | Fee |
|---|---|---|---|---|
| 2025-07-01 | Denis Crișan | Rayo Youth | Mallorca U19 | Free |
| 2024-03-25 | Denis Crișan | Espanyol Youth | Rayo Youth | — |
| 2022-09-15 | Santi Rublico | Rayo Youth | Atl.Madleño U18 | — |
| 2020-07-01 | Joselu Pérez | Rayo Vallecano | Rayo U19 | — |
| 2019-07-01 | Pablo Muñoz | Rayo Vallecano | Rayo U19 | — |
| 2019-07-01 | Mario de Luis | Rayo Vallecano | Rayo U19 | — |
| 2019-07-01 | Joao Urbáez | Rayo Youth | Canillas U19 | — |
| 2018-07-01 | Victor Parada | Rayo Youth | AKA Salzb. U18 | — |
| 2018-07-01 | Salim El Jebari | Rayo Vallecano | Atléti Youth | — |
| 2018-02-01 | Amilcar Djau Codjovi | Rayo Vallecano | Morecambe U18 | Free |
| 2017-07-01 | Santi Rublico | Atlético Yth. | Rayo Youth | — |
| 2016-07-01 | Ángel Algobia | Rayo Youth | Rayo U19 | — |
| 2016-07-01 | Mario de Luis | R.Madrid Yth. | Rayo Vallecano | Free |
| 2015-07-01 | Youssef Enríquez | Rayo Youth | Moratalaz Youth | Free |
| 2015-07-01 | Rafa Núñez | Rayo Youth | Atl. Madrid U17 | — |
| 2015-07-01 | Fran Beltrán | Rayo Youth | Rayo U19 | — |
| 2015-07-01 | Aitor Mañas | Rayo Youth | R.Madrid Yth. | — |
| 2013-07-01 | Luis Perea | Rayo Youth | Atl. Madrid U17 | — |
| 2013-07-01 | Borja González | Rayo Youth | Rayo U19 | — |
| 2012-07-01 | Zé Ricardo | Rayo Youth | Rayo U19 | — |