FairValue

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Georgios

Kyriakopoulos

LBGreece · Panathinaikos

№ 311178Established €3.9M −0.67

Player dossierSuper League

GeorgiosKyriakopoulos

LBLeft-BackDefender

Club
Panathinaikos
League
Super League
Nationality
Greece
Age
30
Height
186 cm
Foot
Left
Valued
4 Jun 2026

Reading the valuation

The market values Kyriakopoulos at €2M. Model A, which never saw Kyriakopoulos during training, estimates €3.9M: the market value is 49% below that estimate.

That is a factor of ×1.95. 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 €5.5M, 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.

▼ −0.67A €3.9M▼ −1.01B €5.5M
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
73
Minutes
5,945
Goals
5
Assists
8
Started
68/73
Min / app
81
Cards
11Y 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 Kyriakopoulos…

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 €2M

Checking API
EmergingEstablishedEliteWorld Class€2M€10M€30M€100k€1M€100MMarket €2MModel A €3.9M

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 2,065 defenders

Georgios Kyriakopoulos's percentiles among defenders: Goals per 90 78th, Assists per 90 82nd, Minutes, two years 92nd, Starts 79th, Minutes, last 365 days 88th, European club minutes 89th78thGoals82ndAssists92ndMinutes79thStarts88thRecent89thEurope

Dashed ring: the defender median (50th percentile)

Minutes, two years

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

5,945 this player2,860 defender median92nd 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
Mar 2014
Peak
€5M
Mar 2022
Model target
€2M
Jun 2026
Valuations
27
4 club changes
Jun 2026€2MPanathinaikosValuation the model is trained to reproduce

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

Show as a table
DateMarket valueClub
2014-03-28€200kAsteras Tripolis
2014-11-11€200kAsteras Tripolis
2015-05-10€200kAsteras Tripolis
2016-12-21€250kAsteras Tripolis
2017-05-11€300kAsteras Tripolis
2017-12-18€350kAsteras Tripolis
2018-05-22€600kAsteras Tripolis
2018-12-07€600kAsteras Tripolis
2019-05-21€600kAsteras Tripolis
2019-12-12€1MUS Sassuolo
2020-03-03€3MUS Sassuolo
2020-04-08€2.4MUS Sassuolo
2020-08-25€3MUS Sassuolo
2020-12-29€3.5MUS Sassuolo
2021-06-03€4.5MUS Sassuolo
2021-12-28€4MUS Sassuolo
2022-03-15€5MUS Sassuolo
2022-06-07€5MUS Sassuolo
2022-11-11€5MUS Sassuolo
2023-06-15€3.8MBologna FC 1909
2023-12-20€4MAC Monza
2024-06-05€3.5MAC Monza
2024-12-18€3.5MAC Monza
2025-06-17€2.5MAC Monza
2025-09-23€2MPanathinaikos
2025-12-12€2MPanathinaikos
2026-06-04€2MPanathinaikos

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
−0.666

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 →

Super League356 players · median €600k

Valued above 79% of the 356 Super League players.

€20k€150k€1M€7.5M€2MSee them in the Explorer →

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

Valued above 49% of the 2,065 defenders.

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

Where Kyriakopoulos 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).