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Borsa Istanbul plunges 3.08%
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Borsa Istanbul plunges 3.08%

The BIST 100 index on Borsa Istanbul closed Thursday, October 22, 2026, down 3.08% at 11,220.37 points. 

 

The index lost 356.75 points from its previous close, while total trading volume reached 111.5 billion Turkish lira. The banking index declined 3.62%, while the holding companies index fell 3.42%. All sector indices ended the session in negative territory, with the mining sector recording the steepest loss at 7.52%.

Selling pressure intensified despite the Central Bank of the Republic of Türkiye (CBRT) cutting its policy interest rate by 100 basis points to 36%. The index had already been trading lower ahead of the rate decision, with losses accelerating during the afternoon session. Investors continue to monitor the global market sell-off, domestic developments, and the CBRT's monetary policy signals.

 

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