İSTOÇ is an underground rapid transit station on the M3 line of the Istanbul Metro.[2] It is located in the northwestern tip of Bağcılar under the Istanbul Wholesalers Market (Turkish: İstanbul Toptancılar Çarşısı, shortened as İSTOÇ[3]). Opened on 14 June 2013 it has an island platform serviced by two tracks.