Borsa Istanbul (BIST) announced changes to the BIST 30, BIST 50, BIST 100, and BIST 500 indices to take effect between October 1 and December 31, 2026. TR Anadolu Metal Madencilik was added to the BIST 30, while Destek Finans Faktoring was removed.
Six companies were removed from BIST 50 and six new companies were added. In addition to Destek Finans Faktoring, Efor Yatırım and Katılımevim were also removed from the list. In BIST 100, 27 changes were made.