Jakub Kiwior

26 yrs · Centre-back (also DM, LB) · Poland
Arsenal FC · Premier League · Foot: left · Height: 189 cm
Risk: LowConfidence: MediumSample: HighDevelopment: LowContract: until 30 Jun 2030
Market value
€35.0M
Updated 7 days ago
Estimated acquisition
€26.3M – €44.5M
Estimated · 20–80% range
Model value
€12.2M – €40.0M
Performance-implied · estimated
Projected (24m)
€20.9M – €42.6M
Resale range · estimated
Potential value gap
-€32.3M – €13.7M
Model value − acquisition

Value picture

Where the market, the likely price and the model estimates sit.

Estimated acquisition€26.3M – €44.5M
Model value (performance-implied)€12.2M – €40.0M
Projected value (24 months)€20.9M – €42.6M
Dashed line: current market value (€35.0M). Bars are 20–80% model ranges; tick = median.

The model rates Jakub Kiwior's performance-implied value at EUR 12.2M-40.0M, below the estimated acquisition range of EUR 26.3M-44.5M. Its 24-month market value projection is EUR 20.9M-42.6M. Confidence is medium: no event-level data (xG, progressive actions) is available from the current free source, and injury history is unavailable.

Bargain Index: 18

What drives the score. Not a black box: each component and its level.

PerformanceHigh89.1th pct among DEF peers (age-neutral)
AgeNeutral26.4 years
Acquisition costNeutralest. €34.8M vs market €35.0M
Expected appreciationLow-26% over ~2 years (model)
Value gapVery negativeweak predictor on its own
DevelopmentLow
League translationModerateleague coefficient 0.58
Tactical fitNot evaluatedRequires event/role data not available from the current free source.
RiskLow
Data confidenceMedium

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.

Highest recorded: €35.0M

Profile vs positional peers

Percentiles among 1268 evaluated DEF players with 900+ minutes.

Performance (last season, league)

Minutes
2217 (73% of available)
Goals + assists / 90
0.04
Context-adjusted G+A / 90
0.03
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
0.58 (rank 1)
Team strength (Elo)
1594
Opponent strength
1322
Possession, role
Data unavailable

League strength 1.00 = average club of the big-five leagues. Elo includes continental matches.

Potential

Development
Low
Trajectory
improving
Breakout probability
Age > 23
Resale range (24m)
€20.9M – €42.6M

Trajectory drivers: minutes share up 40 pts; changed club; team strength down (-219 Elo); league level down (-238 Elo); relative output down 34% vs positional peers.

Historical comparables (8): median 2-year value change -31% (IQR -43% to -17%).

Risk profile

Overall: Low

  • ⚠League level coefficient 0.58 (1.00 = big-five average): output may not translate.
  • ⓘ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).

Historical movers
66 (DEF)
Relative output kept
57%–168%
Held a regular role (900+ min)
76%
Confidence
Medium

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.

SeasonClubLeaguePosAppsMinMin shareGAG+A/90Adj. G+A/90Opp. EloTeam EloLeague str.
2025/26FC PortoLiga PortugalCB26221772%010.040.03132215940.58
2024/25Arsenal FCPremier LeagueCB17111733%100.080.05156018131.23
2023/24Arsenal FCPremier LeagueLB2094528%130.380.17152117941.14
2022/23Spezia CalcioSerie ACB17144742%000.000.04146913100.94
2022/23Arsenal FCPremier LeagueCB742712%100.210.09156317261.23
2021/22Spezia CalcioSerie ADM22196357%000.000.05148513190.89

Cups & continental competitions

SeasonCompetitionClubAppsMinGAAvg opp. Elo
2025/26Uefa Europa LeagueFC Porto8617011441
2024/25Uefa Champions LeagueArsenal FC10771001684
2023/24Uefa Champions LeagueArsenal FC7381001693
2023/24Fa CupArsenal FC18800—
2022/23Italy CupSpezia Calcio327000—
2022/23Uefa Europa LeagueArsenal FC171001657
2021/22Uefa Conference League QualifyingMSK Zilina8720001373
2021/22Italy CupSpezia Calcio14500—

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)AgeValue then~2y laterOutcome
João Mário
Liga Portugal · 2024
24€15.0M€8.0Mfell
Ferro
Liga Portugal · 2020
23€14.5M€3.5Mfell
Nicolás Tagliafico
Eredivisie · 2019
27€28.0M€22.0Mfell
Leonardo Balerdi
Ligue 1 · 2023
24€10.0M€20.0Mrose
Carlos Cuesta
Jupiler Pro League · 2023
24€8.0M€7.0Mflat
Vyacheslav Karavaev
Premier Liga · 2023
28€6.0M€3.5Mfell
Davit Khocholava
Premier Liga · 2019
26€5.0M€3.0Mfell
Luiz Felipe
Serie A · 2022
25€16.0M€13.0Mflat

Transfer history

Fees as reported by the source; undisclosed fees shown as unknown, never estimated.

DateFromToFeeMV at time
1 Jul 2026ArsenalPorto€17.0M€35.0M
30 Jun 2026PortoArsenalFree / loan€35.0M
1 Sept 2025ArsenalPortoFree / loan€28.0M
23 Jan 2023Spezia CalcioArsenal€19.5M€8.0M
31 Aug 2021MSK ZilinaSpezia Calcio€2.4M€400k
2 Aug 2019PodbrezovaMSK Zilina€250k€200k
16 Jan 2019Anderlecht U21Podbrezova€10kData unavailable
1 Jul 2018Anderlecht U19Anderlecht U21UnknownData unavailable
1 Jul 2017Anderlecht U17Anderlecht U19UnknownData unavailable
15 Jul 2016GKS TychyAnderlecht U17€13kData unavailable
7 Mar 2016GKS Tychy U19GKS TychyUnknownData 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.