FairValue

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

Doué

RBCote d'Ivoire · RC Strasbourg Alsace

№ 711980Elite €16.2M +0.21

Player dossierLigue 1

GuélaDoué

RBRight-BackDefender

Club
RC Strasbourg Alsace
League
Ligue 1
Nationality
Cote d'Ivoire
Age
23
Height
187 cm
Foot
Right
Valued
1 Jun 2026

Reading the valuation

The market values Doué at €20M. Model A, which never saw Doué during training, estimates €16.2M: the market value is 23% above that estimate.

That is a factor of ×1.23. 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 €6.1M, 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.

▲ +0.21A €16.2M▲ +1.19B €6.1M
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
56
Minutes
4,780
Goals
3
Assists
8
Started
53/56
Min / app
85
Cards
10Y 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 Doué…

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 €20M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €20MModel A €16.2M

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 2,065 defenders

Guéla Doué's percentiles among defenders: Goals per 90 68th, Assists per 90 89th, Minutes, two years 80th, Starts 83rd, Minutes, last 365 days 64th, European club minutes 30th68thGoals89thAssists80thMinutes83rdStarts64thRecent30thEurope

Dashed ring: the defender median (50th percentile)

Assists per 90

Club assists per 90 minutes in the same window.

0.15 this player0.04 defender median89th percentile

0.00peer deciles · median line · this player ●0.58

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
€200k
Sept 2022
Peak
€20M
Jun 2026
Model target
€20M
Jun 2026
Valuations
13
1 club change
Jun 2026€20MRC Strasbourg AlsaceValuation the model is trained to reproduce

Jun 2026: €20M, RC Strasbourg Alsace. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2022-09-19€200kStade Rennais FC
2022-11-02€200kStade Rennais FC
2023-03-27€300kStade Rennais FC
2023-06-27€300kStade Rennais FC
2023-10-16€1MStade Rennais FC
2023-12-18€1MStade Rennais FC
2024-03-19€7MStade Rennais FC
2024-06-03€7MStade Rennais FC
2024-12-10€8MRC Strasbourg Alsace
2025-03-24€12MRC Strasbourg Alsace
2025-06-03€18MRC Strasbourg Alsace
2025-12-15€18MRC Strasbourg Alsace
2026-06-01€20MRC Strasbourg Alsace

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
+0.209

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 →

Ligue 1423 players · median €5M

Valued above 85% of the 423 Ligue 1 players.

€100k€750k€5M€30M€20MSee them in the Explorer →

Defenders, all leagues2,065 players · median €2M

Valued above 91% of the 2,065 defenders.

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

Where Doué 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).