FairValue

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Sergi

Darder

CMSpain · RCD Mallorca

№ 142021Established €1.9M +0.45

Player dossierLaLiga

SergiDarder

CMCentral MidfieldMidfield

Club
RCD Mallorca
League
LaLiga
Nationality
Spain
Age
32
Height
180 cm
Foot
Right
Valued
5 Jun 2026

Reading the valuation

The market values Darder at €3M. Model A, which never saw Darder during training, estimates €1.9M: the market value is 57% above that estimate.

That is a factor of ×1.57. 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 €3.6M, 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.

▲ +0.45A €1.9M▼ −0.18B €3.6M
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
80
Minutes
5,599
Goals
3
Assists
11
Started
65/80
Min / app
70
Cards
7Y 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 Darder…

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 €3M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €3MModel A €1.9M

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

Sergi Darder's percentiles among midfielders: Goals per 90 33rd, Assists per 90 78th, Minutes, two years 92nd, Starts 72nd, Minutes, last 365 days 85th, European club minutes 30th33rdGoals78thAssists92ndMinutes72ndStarts85thRecent30thEurope

Dashed ring: the midfielder median (50th percentile)

Minutes, two years

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

5,599 this player2,607 midfielder median92nd 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
€500k
Oct 2013
Peak
€16M
Mar 2023
Model target
€3M
Jun 2026
Valuations
36
3 club changes
Jun 2026€3MRCD MallorcaValuation the model is trained to reproduce

Jun 2026: €3M, RCD Mallorca. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2013-10-08€500kMálaga CF
2014-01-23€1.5MMálaga CF
2014-07-20€2.5MMálaga CF
2015-01-23€4MMálaga CF
2015-07-01€7.5MMálaga CF
2015-09-06€12MOlympique Lyon
2016-02-04€11MOlympique Lyon
2016-07-13€12MOlympique Lyon
2017-01-16€12MOlympique Lyon
2017-06-01€11MOlympique Lyon
2018-01-01€11MRCD Espanyol Barcelona
2018-05-30€11MRCD Espanyol Barcelona
2018-07-12€8MRCD Espanyol Barcelona
2018-12-21€8MRCD Espanyol Barcelona
2019-02-28€10MRCD Espanyol Barcelona
2019-06-11€14MRCD Espanyol Barcelona
2019-12-20€14MRCD Espanyol Barcelona
2020-04-08€11MRCD Espanyol Barcelona
2020-10-08€8MRCD Espanyol Barcelona
2020-11-23€6MRCD Espanyol Barcelona
2021-01-08€6MRCD Espanyol Barcelona
2021-06-24€6MRCD Espanyol Barcelona
2021-10-13€7MRCD Espanyol Barcelona
2021-12-30€7MRCD Espanyol Barcelona
2022-03-21€9MRCD Espanyol Barcelona
2022-06-03€14MRCD Espanyol Barcelona
2022-11-07€14MRCD Espanyol Barcelona
2023-03-23€16MRCD Espanyol Barcelona
2023-06-13€16MRCD Espanyol Barcelona
2023-12-22€8MRCD Mallorca
2024-03-21€6MRCD Mallorca
2024-06-07€6MRCD Mallorca
2024-12-27€4MRCD Mallorca
2025-06-09€4MRCD Mallorca
2025-12-12€3.5MRCD Mallorca
2026-06-05€3MRCD Mallorca

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
+0.449

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

Valued above 40% of the 509 LaLiga players.

€100k€1M€10M€100M€3MSee them in the Explorer →

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

Valued above 56% of the 1,687 midfielders.

€20k€200k€2M€20M€3MSee them in the Explorer →

Where Darder 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).