Key Takeaways
- • The BIST 100 benchmark index fell 302.18 points to close at 12,290.58 on September 29, 2026, representing a 2.40% decline from the previous session.
- • Broad market weakness characterized the session, with 77 of 96 indices closing in negative territory against just 19 gainers.
- • Transaction volume totaled 108.8 billion Turkish liras ($2.22 billion), while the total market capitalization stood at 11.74 trillion liras ($240.14 billion).
- • Intraday range spanned 12,281.21 (low) to 12,547.16 (high), with the index opening at 12,516.00.
- • Currency markets showed the USD/TRY rate at 49.00, while commodity pricing held relatively stable with Brent crude at $104.41 per barrel and gold at $4,160.05 per ounce.
Summary
The Turkish stock exchange closed Tuesday, September 29, 2026, with a pronounced selloff that saw the benchmark BIST 100 index decline 2.40% from the prior session's close. The index ended the day at 12,290.58 points, down 302.18 points from Monday's close, after opening at 12,516.00 points. The intraday range reflected volatility, with the index reaching a low of 12,281.21 and a high of 12,547.16 during the session.
Market breadth deteriorated sharply, with 77 of the 96 tracked indices closing in the red, compared to only 19 gainers. This two-to-one negative ratio suggests widespread weakness across the Istanbul Stock Exchange rather than sector-specific pressure. Trading activity remained substantial, with transaction volume reaching 108.8 billion Turkish liras, equivalent to approximately $2.22 billion, while the total market capitalization of the index reached 11.74 trillion liras ($240.14 billion).
Currency markets reflected modest stability alongside the equity selloff. The USD/TRY exchange rate held at 49.00 as of 6:20 p.m. local time, while the EUR/TRY rate was 55.57 and the GBP/TRY rate stood at 64.75. Commodity markets showed relative stability, with Brent crude futures trading at $104.41 per barrel and gold priced at $4,160.05 per ounce.
Market breadth deteriorated sharply, with 77 of the 96 tracked indices closing in the red, compared to only 19 gainers. This two-to-one negative ratio suggests widespread weakness across the Istanbul Stock Exchange rather than sector-specific pressure. Trading activity remained substantial, with transaction volume reaching 108.8 billion Turkish liras, equivalent to approximately $2.22 billion, while the total market capitalization of the index reached 11.74 trillion liras ($240.14 billion).
Currency markets reflected modest stability alongside the equity selloff. The USD/TRY exchange rate held at 49.00 as of 6:20 p.m. local time, while the EUR/TRY rate was 55.57 and the GBP/TRY rate stood at 64.75. Commodity markets showed relative stability, with Brent crude futures trading at $104.41 per barrel and gold priced at $4,160.05 per ounce.
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