← Board/player transfer · updated 05 Aug 2026
Diogo Costa
Porto → Chelsea
53%Active interest
Probability
53%
Viability
62%
can it happen structurally
Tactical fit
n/a
no expert vector yet
Financial difficulty
Medium
Why this score?
Probability— → 53|Viability— → 6205 Aug 2026
- ▪This fills a stated squad need of the buying club
Score movement
Not enough score events to chart yet — movement appears here as evidence accrues.
- 05 Aug 2026— → 53This fills a stated squad need of the buying club
How the number is built
Source reliabilityEmpirical×0.28
+22 pts
Independent confirmationEmpirical×0.16
+3 pts
Reported deal stageEmpirical×0.14
+4 pts
Buying-club needExpert-assigned×0.12
+10 pts
Financial feasibilityExpert-assigned×0.10
+5 pts
Player opennessExpert-assigned×0.08
+4 pts
Window timingDerived×0.06
+5 pts
Market oddsUnavailable×0.06
+0 pts
Probability53%
Source reliability uses reporter tier only — no source here has the ≥ 10 graded outcomes needed to trust its record yet. Market odds are unavailable in v1, so scores cap below 100.
Player
- Position
- GK
- Age
- 26
- Nationality
- Portugal
- Contract until
- 30 Jun 2030
- Market value
- €40m
- Preferred foot
- right
Buying club · Chelsea
- Stated needs
- ST, GK
- Budget (est.)
- €100m
- Wage headroom
- 55/100
- PSR pressure
- 70/100
Squad needs and financial profile are expert-assigned, not measured.
See Chelsea’s Possible XI →Evidence timeline
- 05 Aug 2026Tier 2Sky Sportspolled
Diogo Costa transfer news: Chelsea eyeing move for Porto goalkeeper - Paper Talk