IA
Spain·DEF·#29

Ismael Sierra Arnal

VI
Villarreal · La Liga
Onside Valuation
€7.9M
-0.1Mthis week
56% confidence · €6.0M–€10.7M
12-month history

Valuation trajectory

8
Jul
8
Aug
9
Sep
9
Oct
8
Nov
8
Dec
8
Jan
8
Feb
8
Mar
9
Apr
9
May
8
Jun

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

What drives the value

Valuation pillars

On-field
50
Output
10
Minutes
0
League
95
Age curve
100
Comparable value + position

Similar players

NM
Nihad Mujakić
Eyüpspor
€7.9M
YD
Yiğit Efe Demir
Fenerbahçe
€7.9M
BO
Bright Osayi-Samuel
Birmingham
€8.2M
LG
Lautaro Daniel Giannetti
Antalyaspor
€7.5M
BP
Brandon Powell
Blackburn
€7.4M
EL
Ethan Benjamin Laird
Birmingham
€8.7M

Key facts

Age22 years
PositionDEF
Foot—
Height192 cm
NationalitySpain
Confidence56%
Value range€6.0M–€10.7M

Season 2025/26

0
Apps
0
Minutes
0
Goals
0
Assists

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