FairValue

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Portrait of Kevin Diks

Kevin

Diks

CBIndonesia · Borussia Mönchengladbach

№ 335209Established €6M −0.19

Image: FootyLogos

Player dossierBundesliga

KevinDiks

CBCentre-BackDefender

Club
Borussia Mönchengladbach
League
Bundesliga
Nationality
Indonesia
Age
29
Height
186 cm
Foot
Right
Valued
27 May 2026

Reading the valuation

The market values Diks at €5M. Model A, which never saw Diks during training, estimates €6M: the market value is 17% below that estimate.

That is a factor of ×1.21. 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 €5M, 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.

▼ −0.19A €6M▼ 0.00B €5M
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
64
Minutes
4,992
Goals
11
Assists
3
Started
57/64
Min / app
78
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 Diks…

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 €5M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €5MModel A €6M

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

Kevin Diks's percentiles among defenders: Goals per 90 98th, Assists per 90 59th, Minutes, two years 83rd, Starts 67th, Minutes, last 365 days 83rd, European club minutes 73rd98thGoals59thAssists83rdMinutes67thStarts83rdRecent73rdEurope

Dashed ring: the defender median (50th percentile)

Goals per 90

Club goals per 90 minutes played in the two years to the valuation date.

0.20 this player0.03 defender median98th percentile

0.00peer deciles · median line · this player ●0.41

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
€50k
Aug 2014
Peak
€5M
Jun 2025
Model target
€5M
May 2026
Valuations
29
8 club changes
May 2026€5MBorussia MönchengladbachValuation the model is trained to reproduce

May 2026: €5M, Borussia Mönchengladbach. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2014-08-24€50kVitesse Arnhem
2014-11-02€250kVitesse Arnhem
2015-02-16€500kVitesse Arnhem
2015-07-01€1MVitesse Arnhem
2015-11-11€1.5MVitesse Arnhem
2016-02-05€1.5MVitesse Arnhem
2016-07-15€2MACF Fiorentina
2017-01-02€1.9MACF Fiorentina
2017-06-07€1.5MVitesse Arnhem
2018-01-17€1.3MFeyenoord Rotterdam
2018-06-12€1.5MFeyenoord Rotterdam
2018-12-20€1.4MACF Fiorentina
2019-06-06€1.4MFC Empoli
2019-12-22€700kAarhus GF
2020-04-08€550kAarhus GF
2020-07-30€700kAarhus GF
2020-12-23€700kAarhus GF
2021-06-04€1.5MAarhus GF
2021-10-06€3MFC Copenhagen
2021-12-28€3.5MFC Copenhagen
2022-06-20€4MFC Copenhagen
2022-12-22€3MFC Copenhagen
2023-06-26€3MFC Copenhagen
2023-12-21€3.5MFC Copenhagen
2024-06-10€4MFC Copenhagen
2024-12-09€4.5MFC Copenhagen
2025-06-16€5MFC Copenhagen
2025-12-19€5MBorussia Mönchengladbach
2026-05-27€5MBorussia Mönchengladbach

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
−0.190

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 →

Bundesliga451 players · median €5M

Valued above 46% of the 451 Bundesliga players.

€300k€2M€15M€100M€5MSee them in the Explorer →

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

Valued above 70% of the 2,065 defenders.

€20k€200k€2M€20M€5MSee them in the Explorer →

Where Diks 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).