
Odilon
Kossounou
Close-up
Image: FootyLogos
Player dossierSerie A
OdilonKossounou
CBCentre-BackDefender
- Club
- Atalanta BC
- League
- Serie A
- Nationality
- Cote d'Ivoire
- Age
- 25
- Height
- 191 cm
- Foot
- Right
- Valued
- 29 May 2026
Reading the valuation
The market values Kossounou at €15M. Model A, which never saw Kossounou during training, estimates €8.7M: the market value is 71% above that estimate.
That is a factor of ×1.71. 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 €10M, 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
- 55
- Minutes
- 3,344
- Goals
- 1
- Assists
- 2
- Started
- 35/55
- Min / app
- 61
- Cards
- 5Y 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 Kossounou…
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 €15M
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.
32% this player0% defender median96th 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
- €2.8M
- Jun 2019
- Peak
- €35M
- Dec 2023
- Model target
- €15M
- May 2026
- Valuations
- 24
- 3 club changes
May 2026: €15M, Atalanta BC. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2019-06-28 | €2.8M | Hammarby IF |
| 2019-12-13 | €3M | Club Brugge KV |
| 2020-03-30 | €4.5M | Club Brugge KV |
| 2020-04-08 | €4M | Club Brugge KV |
| 2020-10-16 | €6M | Club Brugge KV |
| 2021-01-04 | €8M | Club Brugge KV |
| 2021-03-17 | €12M | Club Brugge KV |
| 2021-06-07 | €13M | Club Brugge KV |
| 2021-10-07 | €23M | Bayer 04 Leverkusen |
| 2021-12-22 | €23M | Bayer 04 Leverkusen |
| 2022-03-24 | €20M | Bayer 04 Leverkusen |
| 2022-06-09 | €20M | Bayer 04 Leverkusen |
| 2022-11-09 | €20M | Bayer 04 Leverkusen |
| 2023-06-22 | €18M | Bayer 04 Leverkusen |
| 2023-10-18 | €28M | Bayer 04 Leverkusen |
| 2023-12-14 | €35M | Bayer 04 Leverkusen |
| 2024-05-29 | €35M | Bayer 04 Leverkusen |
| 2024-10-18 | €30M | Atalanta BC |
| 2024-12-18 | €30M | Atalanta BC |
| 2025-03-25 | €25M | Atalanta BC |
| 2025-06-17 | €25M | Atalanta BC |
| 2025-12-23 | €22M | Atalanta BC |
| 2026-03-24 | €18M | Atalanta BC |
| 2026-05-29 | €15M | Atalanta BC |
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
- +0.539
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 →Serie A507 players · median €5.5M
Valued above 75% of the 507 Serie A players.
See them in the Explorer →Defenders, all leagues2,065 players · median €2M
Valued above 87% of the 2,065 defenders.
See them in the Explorer →Where Kossounou appears
- TerminalSerie A in the Player Explorer
- TerminalSerie A on the League Landscape
Watchlists and the comparison tray are kept in this browser only.
Near this valuation closest observed values: same league, then same position
- ManciniCBAS Roma · Serie A€15M
- PinamontiCFUS Sassuolo · Serie A€15M
- MirandaLBBologna FC 1909 · Serie A€15M
- DovbykCFAS Roma · Serie A€15M
- DijkCBLiverpool FC · defenders€15M
- NiakhatéCBOlympique Lyon · defenders€15M
- ChabotCBVfB Stuttgart · defenders€15M
- BoscagliCBBrighton & Hove Albion · defenders€15M
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).





