Efthymios Koulouris

In August 2026, available data listed the player's Transfermarkt value at €2.8 million. Just before he became a free agent that month, his club was reportedly asking for a €1.5 million fee. A year prior, in August 2025, he completed a transfer from Pogoń Szczecin to Al Ula for a fee widely reported to be between €4 million and €4.2 million. During the summer of 2025, Beşiktaş was linked with an offer close to €4 million, while his Transfermarkt value was noted at €3.5 million.

Our valuation for Efthymios Koulouris is shaped by his recent transfer activity and reported market values. A year ago, he commanded a €4 million fee moving to Saudi Arabia. More recently, just prior to his contract termination in August 2026, his club was reportedly demanding €1.5 million. This, combined with a current Transfermarkt valuation of €2.8 million, informs our range, which accounts for his age and recent free transfer.