GCM Forex (GCM Yatırım Menkul Değerler A.Ş.) operates under SPK supervision in Türkiye, active since 2012. It supports MT4, MT5, GCM Trader.
An SPK license is the most important trust signal for investors in Türkiye: trading is subject to a 1:10 leverage cap, margin requirements and a suitability test, unlike unauthorized offshore platforms.