FairValue

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  • EnvironmentOverviewWhat FairValue measures, what it found, where to go next.
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Portrait of Carlos Baleba

Carlos

Baleba

DMCameroon · Brighton & Hove Albion

№ 973085World Class €36.2M +0.42

Image: FootyLogos

Player dossierPremier League

CarlosBaleba

DMDefensive MidfieldMidfield

Club
Brighton & Hove Albion
League
Premier League
Nationality
Cameroon
Age
22
Height
179 cm
Foot
Left
Valued
3 Jun 2026

Reading the valuation

The market values Baleba at €55M. Model A, which never saw Baleba during training, estimates €36.2M: the market value is 52% above that estimate.

That is a factor of ×1.52. 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 €15.2M, 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.

▲ +0.42A €36.2M▲ +1.29B €15.2M
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
74
Minutes
5,008
Goals
3
Assists
2
Started
62/74
Min / app
68
Cards
16Y 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 Baleba…

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 €55M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €55MModel A €36.2M

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 1,687 midfielders

Carlos Baleba's percentiles among midfielders: Goals per 90 36th, Assists per 90 22nd, Minutes, two years 86th, Starts 77th, Minutes, last 365 days 61st, European club minutes 30th36thGoals22ndAssists86thMinutes77thStarts61stRecent30thEurope

Dashed ring: the midfielder median (50th percentile)

Minutes, two years

Total club minutes in the two-year window: how much the player was used.

5,008 this player2,607 midfielder median86th percentile

451peer deciles · median line · this player ●9,624

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
€150k
May 2022
Peak
€60M
Oct 2025
Model target
€55M
Jun 2026
Valuations
14
2 club changes
Jun 2026€55MBrighton & Hove AlbionValuation the model is trained to reproduce

Jun 2026: €55M, Brighton & Hove Albion. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2022-05-30€150kLOSC Lille B
2022-09-19€500kLOSC Lille
2022-11-02€800kLOSC Lille
2023-03-27€3MLOSC Lille
2023-06-27€5MLOSC Lille
2023-10-09€20MBrighton & Hove Albion
2023-12-19€20MBrighton & Hove Albion
2024-05-27€22MBrighton & Hove Albion
2024-12-16€35MBrighton & Hove Albion
2025-05-30€40MBrighton & Hove Albion
2025-10-17€60MBrighton & Hove Albion
2025-12-09€60MBrighton & Hove Albion
2026-03-09€55MBrighton & Hove Albion
2026-06-03€55MBrighton & Hove Albion

Audit context group-level, not about this player

Audit group
non-UEFA
Population gap, Model A
+0.093 95% CI +0.063 to +0.124
This player, market vs held-out A
+0.419

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 →

Premier League555 players · median €18M

Valued above 91% of the 555 Premier League players.

€150k€1M€7.5M€50M€55MSee them in the Explorer →

Midfielders, all leagues1,687 players · median €2M

Valued above 98% of the 1,687 midfielders.

€20k€200k€2M€20M€55MSee them in the Explorer →

Where Baleba 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).