
Teun Koopmeiners
Value picture
Where the market, the likely price and the model estimates sit.
The model rates Teun Koopmeiners's performance-implied value at EUR 8.9M-39.1M, above the estimated acquisition range of EUR 8.4M-17.1M. Its 24-month market value projection is EUR 4.2M-10.7M. Context-adjusted goal contributions are 0.30x the positional average in the league (1819 minutes, league coefficient 0.93). Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.
Bargain Index: 5
What drives the score. Not a black box: each component and its level.
| Performance | High | 89.1th pct among MID peers (age-neutral) |
| Age | Unfavorable | 28.3 years |
| Acquisition cost | Favorable | est. €11.7M vs market €14.0M |
| Expected appreciation | Very low | -51% over ~2 years (model) |
| Value gap | Large | weak predictor on its own |
| Development | Low | |
| League translation | Big-five league | league coefficient 0.93 |
| Tactical fit | Not evaluated | Requires event/role data not available from the current free source. |
| Risk | Low | |
| Data confidence | Medium |
Bargain Index = percentile (among all evaluated players) of expected 2-year value relative to estimated cost. See methodology and backtests.
Market value history
Market value ≠ transfer fee ≠ acquisition cost.
Profile vs positional peers
Percentiles among 1163 evaluated MID players with 900+ minutes.
Performance (last season, league)
- Minutes
- 1819 (53% of available)
- Goals + assists / 90
- 0.00
- Context-adjusted G+A / 90
- 0.04
- xG, xA, progression
- Data unavailable
- Defensive actions
- Data unavailable
- Performance percentile
- 89 (High)
Adjusted = shrunk toward positional baseline for small samples, corrected for team dominance over opponents, expressed relative to positional peers in the same league.
Context
- League strength
- 0.93 (rank 4)
- Team strength (Elo)
- 1614
- Opponent strength
- 1499
- Possession, role
- Data unavailable
League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.
Potential
- Development
- Low
- Trajectory
- declining
- Breakout probability
- Age > 23
- Resale range (24m)
- €4.2M – €10.7M
Trajectory drivers: role change AM -> DM; relative output down 55% vs positional peers.
Historical comparables (8): median 2-year value change -44% (IQR -57% to -40%).
Risk profile
Overall: Low
- ⚠Declining trajectory versus previous season.
- ⓘInjury history unavailable from current data source.
League translation
What happened to players who moved from this league to the big-five leagues (observed, not a forecast).
Already playing in a big-five league.
Output is relative to positional peers in each league. Movers are a selected group (clubs buy players who fit), so treat this as context, not a guarantee.
Season-by-season (domestic league)
Context-adjusted values are model outputs.
| Season | Club | League | Pos | Apps | Min | Min share | G | A | G+A/90 | Adj. G+A/90 | Opp. Elo | Team Elo | League str. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/26 | Juventus FC | Serie A | DM | 33 | 1819 | 53% | 0 | 0 | 0.00 | 0.04 | 1499 | 1614 | 0.93 |
| 2024/25 | Juventus FC | Serie A | AM | 28 | 1996 | 58% | 3 | 3 | 0.27 | 0.26 | 1509 | 1629 | 0.99 |
| 2023/24 | Atalanta BC | Serie A | AM | 34 | 2633 | 77% | 12 | 5 | 0.58 | 0.42 | 1486 | 1709 | 0.98 |
| 2022/23 | Atalanta BC | Serie A | DM | 33 | 2861 | 84% | 10 | 4 | 0.44 | 0.32 | 1466 | 1556 | 0.94 |
| 2021/22 | Atalanta BC | Serie A | DM | 30 | 2128 | 62% | 4 | 1 | 0.21 | 0.12 | 1450 | 1566 | 0.89 |
| 2021/22 | AZ Alkmaar | Eredivisie | DM | 2 | 120 | 4% | 0 | 0 | 0.00 | 0.05 | 1258 | 1496 | 0.60 |
| 2020/21 | AZ Alkmaar | Eredivisie | DM | 31 | 2705 | 88% | 15 | 5 | 0.67 | 0.28 | 1362 | 1557 | 0.56 |
| 2019/20 | AZ Alkmaar | Eredivisie | DM | 25 | 2217 | 99% | 11 | 2 | 0.53 | 0.28 | 1352 | 1542 | 0.62 |
| 2018/19 | AZ Alkmaar | Eredivisie | CB | 32 | 2880 | 94% | 8 | 1 | 0.28 | 0.15 | 1354 | 1459 | 0.61 |
| 2017/18 | AZ Alkmaar | Eredivisie | DM | 26 | 2191 | 72% | 1 | 4 | 0.21 | 0.14 | 1318 | 1489 | 0.59 |
Cups & continental competitions
| Season | Competition | Club | Apps | Min | G | A | Avg opp. Elo |
|---|---|---|---|---|---|---|---|
| 2025/26 | Uefa Champions League | Juventus FC | 10 | 744 | 2 | 1 | 1577 |
| 2025/26 | Italy Cup | Juventus FC | 2 | 106 | 0 | 0 | — |
| 2025/26 | World Cup | Netherlands | 3 | 69 | 0 | 0 | — |
| 2024/25 | Uefa Champions League | Juventus FC | 9 | 654 | 0 | 0 | 1652 |
| 2024/25 | Italy Cup | Juventus FC | 2 | 112 | 1 | 0 | — |
| 2024/25 | Supercoppa Italiana | Juventus FC | 1 | 90 | 0 | 0 | 1641 |
| 2023/24 | Uefa Europa League | Atalanta BC | 12 | 919 | 0 | 2 | 1625 |
| 2023/24 | Italy Cup | Atalanta BC | 5 | 372 | 3 | 0 | — |
| 2022/23 | Italy Cup | Atalanta BC | 2 | 180 | 0 | 0 | — |
| 2021/22 | Uefa Europa League | Atalanta BC | 6 | 439 | 0 | 2 | 1638 |
| 2021/22 | Uefa Champions League | Atalanta BC | 5 | 210 | 0 | 1 | 1689 |
| 2021/22 | Uefa Europa League Qualifying | AZ Alkmaar | 2 | 180 | 0 | 0 | 1540 |
| 2021/22 | Italy Cup | Atalanta BC | 2 | 143 | 0 | 0 | — |
| 2020/21 | Uefa Europa League | AZ Alkmaar | 5 | 450 | 1 | 2 | 1574 |
| 2020/21 | Uefa Champions League Qualifying | AZ Alkmaar | 2 | 210 | 1 | 0 | 1522 |
| 2020/21 | Knvb Beker | AZ Alkmaar | 1 | 90 | 0 | 0 | — |
| 2019/20 | Uefa Europa League | AZ Alkmaar | 8 | 720 | 3 | 1 | 1552 |
| 2019/20 | Uefa Europa League Qualifying | AZ Alkmaar | 6 | 570 | 1 | 0 | 1360 |
| 2019/20 | Knvb Beker | AZ Alkmaar | 3 | 270 | 1 | 0 | — |
| 2018/19 | Knvb Beker | AZ Alkmaar | 4 | 390 | 0 | 0 | — |
| 2018/19 | Uefa Europa League Qualifying | AZ Alkmaar | 1 | 90 | 1 | 0 | 1436 |
| 2017/18 | Knvb Beker | AZ Alkmaar | 5 | 392 | 0 | 2 | — |
Small continental samples are shown for context only and are not over-weighted.
Historical comparables
Most similar profiles 2+ years ago (same position group) and what happened next. Chosen by similarity only — failures included.
| Player (then) | Age | Value then | ~2y later | Outcome |
|---|---|---|---|---|
| Adrien Rabiot Serie A · 2022 | 27 | €17.0M | €35.0M | rose |
| Lucas Leiva Premier League · 2015 | 28 | €12.0M | €7.0M | fell |
| Jérémy Toulalan Laliga · 2013 | 30 | €15.0M | €5.0M | fell |
| Diego Demme Bundesliga · 2020 | 29 | €13.5M | €8.0M | fell |
| Jérémy Clément Ligue 1 · 2013 | 29 | €5.5M | €3.5M | fell |
| Hans Hateboer Serie A · 2022 | 28 | €13.0M | €3.5M | fell |
| Sven Bender Bundesliga · 2015 | 26 | €13.0M | €7.0M | fell |
| Youssouf Ndayishimiye Ligue 1 · 2024 | 26 | €15.0M | €7.0M | fell |
Transfer history
Fees as reported by the source; undisclosed fees shown as unknown, never estimated.
| Date | From | To | Fee | MV at time |
|---|---|---|---|---|
| 28 Aug 2024 | Atalanta | Juventus | €58.4M | €50.0M |
| 30 Aug 2021 | AZ Alkmaar | Atalanta | €17.9M | €16.5M |
| 1 Jul 2017 | AZ Alkmaar U21 | AZ Alkmaar | Unknown | €350k |
| 1 Jul 2016 | AZ U19 | AZ Alkmaar U21 | Unknown | Data unavailable |
| 1 Jul 2015 | AZ U17 | AZ U19 | Unknown | Data unavailable |
| 1 Jul 2013 | AZ Alkmaar Yth. | AZ U17 | Unknown | Data unavailable |
MoneyballAI identifies statistical opportunities from available data. A player flagged as a potential bargain is not guaranteed to succeed, to transfer, to rise in value, or to generate resale profit. Market values, fees and contracts come from third-party sources; ranges are model estimates with stated confidence.