The BIST 100 index on Borsa İstanbul ended the previous day down 0.40% at 12,070.17 points. The index started the new day at 11,896.08 points, down 174.09 points, or 1.44%.
Banking and holding indices decline
At the opening, the banking index fell 1.48% and the holding index declined 1.42%.

The only sector index to rise was the securities investment trust index, which gained 0.36%. The steepest decline was recorded by the financial leasing and factoring index, which fell 6.52%.
The BIST 100 ended Thursday down 48.12 points, while total trading volume stood at 92.3 billion Turkish liras. As of 9:50 a.m., the dollar/Turkish lira exchange rate was 49.5275, the euro/Turkish lira rate was 55.6850 and the pound/Turkish lira rate was 65.9740. Gold was priced at $4,178.05 per ounce, while Brent crude stood at $105.45 per barrel.
S&P assessment in focus for markets
Domestically, international credit rating agency S&P is expected to announce its assessment of Türkiye after the market close. The expectation is that Türkiye's credit rating will be maintained at "BB-" with a "stable" outlook.

Data to watch
Domestically, the housing price index and the market participants survey will be monitored. Internationally, markets will follow remarks by Bank of England Governor Andrew Bailey, the eurozone's foreign trade balance and inflation data, as well as U.S. industrial production and capacity utilization figures.
Technically, 11,800 and 11,700 points stand out as support levels for the BIST 100, while 12,000 and 12,100 points are seen as resistance levels.