Stanley
Nsoki
CBFrance · 1.FC Union Berlin
Player dossierBundesliga
StanleyNsoki
CBCentre-BackDefender
- Club
- 1.FC Union Berlin
- League
- Bundesliga
- Nationality
- France
- Age
- 27
- Height
- 184 cm
- Foot
- Left
- Valued
- 27 May 2026
BundesligaReading the valuation
The market values Nsoki at €2M. Model A, which never saw Nsoki during training, estimates €4.3M: the market value is 53% below that estimate.
That is a factor of ×2.13. 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 €4.1M, 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.
- Apps
- 41
- Minutes
- 2,561
- Goals
- 1
- Assists
- 2
- Started
- 31/41
- Min / app
- 62
- Cards
- 6Y 1R
Club matches, two years to the valuation date
The Valuation Journey
What moves Model A
Asking the prediction API to explain Model A for Nsoki…
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 APIAsking 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
Dashed ring: the defender median (50th percentile)
European club minutes
Share of minutes played in UEFA club competitions.
17% this player0% defender median80th percentile
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
- €5M
- Sept 2018
- Peak
- €12M
- Mar 2020
- Model target
- €2M
- May 2026
- Valuations
- 26
- 4 club changes
May 2026: €2M, 1.FC Union Berlin. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2018-09-06 | €5M | Paris Saint-Germain |
| 2018-12-17 | €5M | Paris Saint-Germain |
| 2019-03-07 | €8.5M | Paris Saint-Germain |
| 2019-06-03 | €8.5M | Paris Saint-Germain |
| 2019-12-19 | €10M | OGC Nice |
| 2020-03-13 | €12M | OGC Nice |
| 2020-04-08 | €11M | OGC Nice |
| 2020-10-15 | €8M | OGC Nice |
| 2021-01-07 | €7M | OGC Nice |
| 2021-04-09 | €6.5M | OGC Nice |
| 2021-06-04 | €5M | OGC Nice |
| 2021-10-06 | €6M | Club Brugge KV |
| 2022-01-06 | €5M | Club Brugge KV |
| 2022-04-12 | €6.5M | Club Brugge KV |
| 2022-05-26 | €7M | Club Brugge KV |
| 2022-09-21 | €10M | TSG 1899 Hoffenheim |
| 2022-11-09 | €8.5M | TSG 1899 Hoffenheim |
| 2023-06-22 | €5.5M | TSG 1899 Hoffenheim |
| 2023-10-18 | €3M | TSG 1899 Hoffenheim |
| 2023-12-14 | €3M | TSG 1899 Hoffenheim |
| 2024-05-29 | €2.5M | TSG 1899 Hoffenheim |
| 2024-12-20 | €2.5M | TSG 1899 Hoffenheim |
| 2025-06-05 | €2.5M | TSG 1899 Hoffenheim |
| 2025-12-19 | €1.8M | 1.FC Union Berlin |
| 2026-03-20 | €2M | 1.FC Union Berlin |
| 2026-05-27 | €2M | 1.FC Union Berlin |
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
- −0.757
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 19% of the 451 Bundesliga players.
See them in the Explorer →Defenders, all leagues2,065 players · median €2M
Valued above 49% of the 2,065 defenders.
See them in the Explorer →Where Nsoki appears
Watchlists and the comparison tray are kept in this browser only.
Near this valuation closest observed values: same league, then same position
- GünterLBSC Freiburg · Bundesliga€2M
- RönnowGK1.FC Union Berlin · Bundesliga€2M
- KohrCB1.FSV Mainz 05 · Bundesliga€2M
- KhediraDM1.FC Union Berlin · Bundesliga€2M
- HummelsCBAS Roma · defenders€2M
- KayembeLBKRC Genk · defenders€2M
- ToljanRBLevante UD · defenders€2M
- AcerbiCBInter Milan · defenders€2M
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).