FairValue

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  • EnvironmentOverviewWhat FairValue measures, what it found, where to go next.
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Josan

RWSpain · Elche CF

№ 277533Emerging €285k −1.05

Player dossierLaLiga

Josan

RWRight WingerAttack

Club
Elche CF
League
LaLiga
Nationality
Spain
Age
36
Height
176 cm
Foot
Right
Valued
5 Jun 2026

Reading the valuation

The market values Josan at €100k. Model A, which never saw Josan during training, estimates €285k: the market value is 65% below that estimate.

That is a factor of ×2.85. Model A's typical held-out miss is ×1.50 either way, so this gap is larger than its usual error.

Without league and club, Model B estimates €201k, closer to the market here, although it is usually further off (typical miss ×2.07).

A gap describes the model's arithmetic for this player's inputs, not what the player is worth.

▼ −1.05A €285k▼ −0.70B €201k
Pitch length is a log value scale fitted to this player's figures. ● observed · ◇ Model A · dashed ◇ Model B · each arc is a residual, log(observed) − log(estimate).
Apps
23
Minutes
841
Goals
0
Assists
4
Started
8/23
Min / app
37
Cards
2Y 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 Josan…

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 €100k

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €100kModel A €285k

Asking 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 1,583 attackers

Josan's percentiles among attackers: Goals per 90 3rd, Assists per 90 98th, Minutes, two years 14th, Starts 15th, Minutes, last 365 days 31st, European club minutes 28th3rdGoals98thAssists14thMinutes15thStarts31stRecent28thEurope

Dashed ring: the attacker median (50th percentile)

Assists per 90

Club assists per 90 minutes in the same window.

0.43 this player0.15 attacker median98th percentile

0.00peer deciles · median line · this player ●0.73

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
€100k
Jul 2015
Peak
€1M
Mar 2021
Model target
€100k
Jun 2026
Valuations
26
3 club changes
Jun 2026€100kElche CFValuation the model is trained to reproduce

Jun 2026: €100k, Elche CF. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2015-07-01€100kGranada CF
2016-07-15€200kUCAM Murcia CF
2017-02-02€250kAlbacete Balompié
2017-06-30€250kAlbacete Balompié
2017-08-17€300kAlbacete Balompié
2018-01-01€300kElche CF
2018-09-18€300kElche CF
2019-02-19€300kElche CF
2019-06-29€500kElche CF
2019-12-20€500kElche CF
2020-04-08€400kElche CF
2020-10-08€500kElche CF
2021-01-05€800kElche CF
2021-03-19€1MElche CF
2021-06-10€1MElche CF
2021-12-30€900kElche CF
2022-06-03€1MElche CF
2022-11-07€1MElche CF
2023-06-13€1MElche CF
2023-12-20€800kElche CF
2024-06-24€700kElche CF
2024-12-13€500kElche CF
2025-06-24€450kElche CF
2025-10-02€200kElche CF
2025-12-12€100kElche CF
2026-06-05€100kElche CF

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
−1.048

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 →

LaLiga509 players · median €4M

The joint lowest observed value among 509 LaLiga players.

€100k€1M€10M€100M€100kSee them in the Explorer →

Attackers, all leagues1,583 players · median €2.5M

Valued above 1% of the 1,583 attackers.

€20k€300k€5M€75M€100kSee them in the Explorer →

Where Josan appears

Watchlists and the comparison tray are kept in this browser only.

Near this valuation closest observed values: same league, then same position

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).