OS
Denmark·DEF·#22

Oliver Sonne

BU
Burnley · Premier League
Onside Valuation
€13.4M
-0.1Mthis week
73% confidence · €10.9M–€16.4M
12-month history

Valuation trajectory

13
Jul
13
Aug
14
Sep
14
Oct
14
Nov
13
Dec
13
Jan
13
Feb
14
Mar
15
Apr
14
May
13
Jun

Onside model estimate. Values are derived from the methodology, not a market quote.

What drives the value

Valuation pillars

On-field
54
Output
52
Minutes
5
League
100
Age curve
100
Comparable value + position

Similar players

WH
Wesley Theodorus Hoedt
Al Shabab
€13.5M
AR
Antonio Rüdiger
Real Madrid
€13.2M
AC
Alexander William Cochrane
Birmingham
€13.0M
RN
Ruan Tressoldi Netto
Atletico-MG
€12.9M
EB
Eric Bertrand Bailly
Oviedo
€14.0M
EC
Eiran Joe Cashin
Blackburn
€14.4M

Key facts

Age25 years
PositionDEF
Foot—
Height184 cm
NationalityDenmark
Confidence73%
Value range€10.9M–€16.4M

Season 2025/266.73

7
Apps
165
Minutes
1
Goals
0
Assists

Compare