Joel
Robles
GKSpain · GD Estoril Praia
Player dossierLiga Portugal
JoelRobles
GKGoalkeeperGoalkeeper
- Club
- GD Estoril Praia
- League
- Liga Portugal
- Nationality
- Spain
- Age
- 35
- Height
- 194 cm
- Foot
- Right
- Valued
- 28 May 2026
Liga PortugalReading the valuation
The market values Robles at €350k. Model A, which never saw Robles during training, estimates €401k: the market value is 13% below that estimate.
That is a factor of ×1.15. Model A's typical held-out miss is ×1.50 either way, so this gap is within its usual error.
Without league and club, Model B estimates €704k, further from the market. Model B is usually further off (typical miss ×2.07): league and club explain much of how the market prices players.
A gap describes the model's arithmetic for this player's inputs, not what the player is worth.
- Apps
- 60
- Minutes
- 5,400
- Started
- 60/60
- Min / app
- 90
- Cards
- 5Y 0R
Club matches, two years to the valuation date
The Valuation Journey
What moves Model A
Asking the prediction API to explain Model A for Robles…
SHAP describes the model's arithmetic for this player's inputs, not what causes market value. Model B can be explained only by the live service; Model A also has a published explanation for the research players.
Model A vs Model B against the observed €350k
Checking APIAsking the prediction API…
Held-out estimates come from cross-validation, with this player outside the training data: the honest comparison. Served models were refitted on every player, this one included, so they sit closer to the market. Shaded band: Model A's typical miss (×1.50 either way).
Player traitspercentiles vs 485 goalkeepers
Dashed ring: the goalkeeper median (50th percentile)
Minutes, two years
Total club minutes in the two-year window: how much the player was used.
5,400 this player2,790 goalkeeper median80th percentile
No passing, progression or defensive actions exist in the dataset, so no trait claims to measure them.
Valuation history every Transfermarkt valuation on record
- First valuation
- €400k
- May 2010
- Peak
- €7.5M
- Dec 2019
- Model target
- €350k
- May 2026
- Valuations
- 38
- 7 club changes
May 2026: €350k, GD Estoril Praia. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2010-05-17 | €400k | Atlético de Madrid |
| 2010-08-27 | €1M | Atlético de Madrid |
| 2011-02-04 | €1M | Atlético de Madrid |
| 2011-07-29 | €1M | Atlético de Madrid |
| 2011-09-03 | €2M | Atlético de Madrid |
| 2012-02-05 | €2M | Rayo Vallecano |
| 2012-08-01 | €2M | Atlético de Madrid |
| 2013-01-10 | €2M | Atlético de Madrid |
| 2013-07-02 | €3M | Atlético de Madrid |
| 2013-09-18 | €4M | Everton FC |
| 2014-01-15 | €3.5M | Everton FC |
| 2014-08-12 | €3M | Everton FC |
| 2015-02-12 | €3M | Everton FC |
| 2015-07-01 | €3M | Everton FC |
| 2016-02-09 | €3M | Everton FC |
| 2016-08-01 | €5M | Everton FC |
| 2017-02-20 | €5M | Everton FC |
| 2017-06-28 | €5M | Everton FC |
| 2018-01-02 | €5M | Everton FC |
| 2018-05-28 | €3.5M | Everton FC |
| 2018-12-21 | €3.5M | Real Betis Balompié |
| 2019-06-11 | €5M | Real Betis Balompié |
| 2019-12-20 | €7.5M | Real Betis Balompié |
| 2020-04-08 | €6M | Real Betis Balompié |
| 2020-10-08 | €5M | Real Betis Balompié |
| 2021-01-05 | €4M | Real Betis Balompié |
| 2021-06-10 | €4M | Real Betis Balompié |
| 2021-12-30 | €2M | Real Betis Balompié |
| 2022-06-03 | €1.5M | Real Betis Balompié |
| 2022-11-03 | €1.2M | Leeds United |
| 2023-06-20 | €1M | Leeds United |
| 2023-10-26 | €900k | Al-Qadsiah FC |
| 2024-02-28 | €800k | Al-Qadsiah FC |
| 2024-06-04 | €700k | Al-Qadsiah FC |
| 2024-12-19 | €600k | GD Estoril Praia |
| 2025-05-30 | €500k | GD Estoril Praia |
| 2025-12-18 | €400k | GD Estoril Praia |
| 2026-05-28 | €350k | GD Estoril Praia |
Audit context group-level, not about this player
- Audit group
- UEFA
- Population gap, Model A
- +0.093 95% CI +0.063 to +0.124
- This player, market vs held-out A
- −0.137
The group comes from first-listed citizenship and is never a model input. Across the population, non-UEFA players' market values sit about 10% above Model A's held-out estimates, relative to UEFA players in the same leagues. One player's residual says nothing about that pattern (typical miss ×1.50), and none of it is evidence of discrimination: the target may itself be biased. Open the Fairness Audit
In context observed value among comparable players in this build
All players in the Terminal →Liga Portugal423 players · median €1M
Valued above 11% of the 423 Liga Portugal players.
See them in the Explorer →Goalkeepers, all leagues485 players · median €1M
Valued above 20% of the 485 goalkeepers.
See them in the Explorer →Where Robles appears
Watchlists and the comparison tray are kept in this browser only.
Near this valuation closest observed values: same league, then same position
- PovedaCFSC Farense · Liga Portugal€350k
- OsundinaRWCasa Pia AC · Liga Portugal€350k
- BrabecCBRio Ave FC · Liga Portugal€400k
- OliveiraCBSC Braga · Liga Portugal€400k
- BatzGK1.FSV Mainz 05 · goalkeepers€350k
- PirardGKStandard Liège · goalkeepers€350k
- ObukhovGKFakel Voronezh · goalkeepers€350k
- MekhanivGKLivyi Bereg Kyiv · goalkeepers€350k
Counts and ranks of observed Transfermarkt values only; model errors are never ranked here. Full player export: Every player in the modelling population (D-011).