Jesse
Joronen
GKFinland · Palermo FC
Player dossierSerie A
JesseJoronen
GKGoalkeeperGoalkeeper
- Club
- Palermo FC
- League
- Serie A
- Nationality
- Finland
- Age
- 33
- Height
- 197 cm
- Foot
- Right
- Valued
- 4 Jun 2026
Serie AReading the valuation
The market values Joronen at €500k. Model A, which never saw Joronen during training, estimates €629k: the market value is 21% below that estimate.
That is a factor of ×1.26. 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 €355k, 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.
- Apps
- 10
- Minutes
- 882
- Started
- 9/10
- Min / app
- 88
- Cards
- 0Y 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 Joronen…
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 €500k
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 485 goalkeepers
Dashed ring: the goalkeeper median (50th percentile)
European club minutes
Share of minutes played in UEFA club competitions.
0% this player0% goalkeeper median32nd 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
- €250k
- Aug 2014
- Peak
- €5M
- Oct 2019
- Model target
- €500k
- Jun 2026
- Valuations
- 26
- 5 club changes
Jun 2026: €500k, Palermo FC. Dotted lines mark the €2M, €10M and €30M tier boundaries.
Show as a table
| Date | Market value | Club |
|---|---|---|
| 2014-08-19 | €250k | Fulham FC |
| 2015-02-24 | €250k | Fulham FC |
| 2016-04-20 | €250k | Fulham FC |
| 2016-09-01 | €250k | Fulham FC |
| 2017-02-27 | €250k | Fulham FC |
| 2017-12-18 | €700k | AC Horsens |
| 2018-06-01 | €700k | AC Horsens |
| 2018-12-21 | €1.5M | FC Copenhagen |
| 2019-06-08 | €2.5M | FC Copenhagen |
| 2019-10-08 | €5M | Brescia Calcio (- 2025) |
| 2019-12-12 | €5M | Brescia Calcio (- 2025) |
| 2020-04-08 | €4M | Brescia Calcio (- 2025) |
| 2020-08-25 | €4M | Brescia Calcio (- 2025) |
| 2021-02-22 | €2M | Brescia Calcio (- 2025) |
| 2021-05-26 | €1.7M | Brescia Calcio (- 2025) |
| 2021-12-29 | €1.5M | Brescia Calcio (- 2025) |
| 2022-06-06 | €1.4M | Brescia Calcio (- 2025) |
| 2022-12-22 | €1.2M | Venezia FC |
| 2023-06-12 | €1M | Venezia FC |
| 2023-12-27 | €800k | Venezia FC |
| 2024-06-03 | €1M | Venezia FC |
| 2024-12-18 | €1M | Venezia FC |
| 2025-03-25 | €600k | Venezia FC |
| 2025-06-17 | €500k | Venezia FC |
| 2025-12-11 | €500k | Palermo FC |
| 2026-06-04 | €500k | Palermo FC |
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
- −0.230
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 1% of the 507 Serie A players.
See them in the Explorer →Goalkeepers, all leagues485 players · median €1M
Valued above 27% of the 485 goalkeepers.
See them in the Explorer →Where Joronen 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
- SilvestriGKUS Cremonese · Serie A€500k
- FerriCMUC Sampdoria · Serie A€500k
- AkproCMHellas Verona · Serie A€500k
- PetagnaCFAC Monza · Serie A€500k
- GünokGKFenerbahce · goalkeepers€500k
- SteeleGKBrighton & Hove Albion · goalkeepers€500k
- DúbravkaGKBurnley FC · goalkeepers€500k
- FernándezGKCA Osasuna · goalkeepers€500k
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).