FairValue

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  • EnvironmentOverviewWhat FairValue measures, what it found, where to go next.
  • EnvironmentTerminalExplore, compare and track players; market, league and model views.
  • EnvironmentStoriesValuations, head-to-heads and research findings, told as stories.
  • TerminalPlayer ExplorerSearch, filter and sort the player export.
  • TerminalComparison StudioTwo to four players on one scale.
  • TerminalWatchlistsNamed collections, kept in this browser.
  • TerminalMarket LandscapeHow observed value is distributed, and where the model drifts.

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Portrait of Alejandro Balde

Alejandro

Balde

LBSpain · FC Barcelona

№ 636688World Class €43.3M +0.14

Image: FootyLogos

Player dossierLaLiga

AlejandroBalde

LBLeft-BackDefender

Club
FC Barcelona
League
LaLiga
Nationality
Spain
Age
22
Height
177 cm
Foot
Left
Valued
5 Jun 2026

Reading the valuation

The market values Balde at €50M. Model A, which never saw Balde during training, estimates €43.3M: the market value is 16% above that estimate.

That is a factor of ×1.16. 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 €29.6M, 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.

▲ +0.14A €43.3M▲ +0.52B €29.6M
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
89
Minutes
6,301
Goals
1
Assists
13
Started
71/89
Min / app
71
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 Balde…

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 €50M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €50MModel A €43.3M

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

Alejandro Balde's percentiles among defenders: Goals per 90 37th, Assists per 90 94th, Minutes, two years 94th, Starts 44th, Minutes, last 365 days 84th, European club minutes 86th37thGoals94thAssists94thMinutes44thStarts84thRecent86thEurope

Dashed ring: the defender median (50th percentile)

Minutes, two years

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

6,301 this player2,860 defender median94th percentile

451peer deciles · median line · this player ●9,111

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
Oct 2020
Peak
€60M
Mar 2025
Model target
€50M
Jun 2026
Valuations
20
2 club changes
Jun 2026€50MFC BarcelonaValuation the model is trained to reproduce

Jun 2026: €50M, FC Barcelona. Dotted lines mark the €2M, €10M and €30M tier boundaries.

Show as a table
DateMarket valueClub
2020-10-08€200kFC Barcelona U19
2021-01-08€500kFC Barcelona B
2021-06-30€500kFC Barcelona B
2021-10-13€5MFC Barcelona B
2021-12-30€5MFC Barcelona B
2022-06-03€4MFC Barcelona B
2022-06-29€4MFC Barcelona B
2022-09-23€8MFC Barcelona
2022-11-07€15MFC Barcelona
2023-03-23€30MFC Barcelona
2023-06-13€50MFC Barcelona
2023-12-22€50MFC Barcelona
2024-03-21€40MFC Barcelona
2024-06-07€40MFC Barcelona
2024-12-27€50MFC Barcelona
2025-03-21€60MFC Barcelona
2025-06-09€60MFC Barcelona
2025-12-12€60MFC Barcelona
2026-03-16€55MFC Barcelona
2026-06-05€50MFC Barcelona

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
+0.145

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 96% of the 509 LaLiga players.

€100k€1M€10M€100M€50MSee them in the Explorer →

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

Valued above 98% of the 2,065 defenders.

€20k€200k€2M€20M€50MSee them in the Explorer →

Where Balde 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).