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Türkiye’s benchmark BIST 100 index ended Tuesday’s session sharply lower, falling 343.53 points, or 2.41%, to 13,892.30. The index opened at 14,219.98 and climbed to an intraday high of 14,252.23 before declining steadily. Its session low was also 13,892.30, leaving the benchmark at its lowest level of the day at the close.
Türkiye’s BIST 100 index fell 2.41% on September 15, 2026, ending the session at 13,892.30 points after trading as high as 14,252.23.
Türkiye’s BIST 100 benchmark index closed Tuesday, September 15, with a significant decline, losing 343.53 points from the previous session to finish at 13,892.30.
The index started the day at 14,219.98 and initially moved higher, reaching an intraday peak of 14,252.23. Selling pressure subsequently pushed the benchmark lower during the session.
The BIST 100 recorded its lowest level of the day at 13,892.30, matching its closing value. Compared with the previous close of 14,235.83, the index posted a daily decline of 2.41%.
The benchmark’s trading range during the session stood at 359.93 points, reflecting the wide movement between its daily high and low.