| Temporada | Liga | PJ | Min | Goles | Asistencias | G+A / 90 | Valoración |
|---|---|---|---|---|---|---|---|
| 2019 | Pepsideild | 10 | 682 | 0 | 0 | 0 | — |
| 2020 | Pepsideild | 16 | 895 | 0 | 0 | 0 | — |
| 2021 | Pepsideild | 16 | 566 | 1 | 0 | 0.16 | — |
| 2022 | Pepsideild | 17 | 1228 | 0 | 0 | 0 | — |
| 2023 | Inkasso-Deildin | 22 | 1591 | 0 | 1 | 0.06 | — |
| 2024 | Pepsideild | 26 | 2299 | 5 | 2 | 0.27 | 7.32 |
| 2025 | Pepsideild | 26 | 2220 | 2 | 6 | 0.32 | 6.92 |
| 2026 | Pepsideild | 12 | 1060 | 0 | 1 | 0.08 | 6.74 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cifras calculadas a partir de la base de estadísticas por temporada de GioScore · a fecha de 2026-07-26
Estadísticas del jugador contra cada club rival
| Equipo | PJ | V | E | D | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Breidablik | 6 | 2 | 1 | 3 | 0 | 0 | 1 | 0 |
 Víkingur Reykjavík | 5 | 1 | 0 | 4 | 0 | 0 | 3 | 0 |
 Fram | 5 | 2 | 2 | 1 | 0 | 0 | 0 | 0 |
 Valur | 4 | 1 | 0 | 3 | 1 | 0 | 1 | 0 |
 KA Akureyri | 4 | 3 | 0 | 1 | 1 | 1 | 1 | 0 |
 KR Reykjavík | 4 | 2 | 0 | 2 | 0 | 2 | 1 | 0 |
 Stjarnan | 4 | 0 | 0 | 4 | 0 | 0 | 2 | 0 |
 Vestri | 3 | 2 | 0 | 1 | 0 | 1 | 0 | 0 |
 FH | 3 | 0 | 1 | 2 | 1 | 0 | 0 | 0 |
 Afturelding | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 0 |
 ÍBV | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Fjölnir | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Leiknir Reykjavík | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 |
 Selfoss | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Grótta | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Ægir | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 HK | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 0 |
 Thróttur Reykjavík | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Fylkir | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Sindri | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Estadísticas contra cada selección rival
| Equipo | PJ | V | E | D | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ukraine U17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Germany U17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Finland U17 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
 Russia U17 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Faroe Islands U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Hungary U17 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
 Belgium U19 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
 Albania U19 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
 Gibraltar U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Belarus U17 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
 Slovenia U17 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
 Portugal U17 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
En la Pepsideild 2026, la aportación de J. Gíslason fue solo creativa: 1 asistencia en 12 partidos, sin goles (1,060 minutos) — 0.08 participaciones de gol por 90 minutos. La nota media de esa campaña se queda en 6.74 por partido.
8 temporadas de liga figuran en su registro, de 2019 a 2026 repartidas entre 2 clubes. Sus notas por temporada tocan techo en 2024 (7.32, Pepsideild) y suelo en 2026 (6.74).
