When will the transfer window end? 2025-2026 season transfer deadline

Trendyol Super League clubs are continuing their transfer efforts to strengthen their squads ahead of the 2025-2026 season. Major teams like Galatasaray, Fenerbahçe, Beşiktaş, and Trabzonspor have stepped up negotiations with both domestic and international players in pursuit of their championship ambitions.

WHEN DID THE 2025-2026 SUMMER TRANSFER PERIOD START?

According to the official calendar announced by the Turkish Football Federation (TFF), the 2025-2026 summer transfer window began on Monday, June 30, 2025. Since then, clubs have been working diligently to acquire new players.

WHEN DOES THE TRANSFER SEASON END?

According to the TFF's official announcement, the summer transfer window in the Trendyol Super League will end at 11:59 PM on Friday, September 12, 2025. After this date, clubs will not be able to sign players during the First Transfer and Registration Period.

OFFICIAL STATEMENT FROM TFF

The TFF Board of Directors determined the transfer and registration periods for the 2025-2026 football season at its meeting on May 8, 2025. Accordingly, the following applies:

First Transfer and Registration Period: June 30, 2025 – September 12, 2025

Second Transfer and Registration Period: January 5, 2026 – February 10, 2026

Clubs will use the summer transfer window until the end to address their shortcomings and strengthen their squads before the first half of the season.

GZT

Source: News Center