BIST 100 index started the day with an increase of 0.32 percent at 12,161.68 points.
AI-generated summary
Global markets are following a negative trend due to possible interest rate hikes by the Fed and geopolitical risks in the Middle East.
BIST 100 index at Borsa Istanbul, which followed a sales-oriented trend yesterday, finished the day at 12,122.94 points, losing 2.03 percent of its value.
The index rose to 12,161.68 points at the opening today, with an increase of 38.74 points and 0.32 percent compared to the previous closing. The banking index lost 0.14 percent and the holding index lost 0.47 percent.
Among the sector indices, the highest gain was chemistry, petroleum plastics with 1.03 percent, and the biggest decline was financial leasing factoring with 6.08 percent.
Global markets are trending negatively due to the strengthening expectation that the US Federal Reserve (Fed) may raise interest rates again by the end of the year and the rising tensions with new attacks in the Middle East.
Geopolitical tensions in the Middle East continue to challenge asset prices. Yesterday's news flow that the White House asked the Pentagon to develop attack options against Iranian targets that could be carried out before the midterm elections on November 3 fueled concerns about new attacks in the region.
Analysts stated that the Istanbul Economic Forum, weekly money and bank statistics will be followed in the country today, and weekly unemployment benefit applications and wholesale stocks data in the USA will be followed abroad, and noted that technically, 12,300 and 12,400 points in the BIST 100 index are resistance and 12,000 and 11,900 points are support.
AI outlook — possibilities, not facts
In the BIST 100 index, 12,300 and 12,400 points will be watched as resistance, and 12,000 and 11,900 points will be watched as support.
Likely · Within days

According to the Foreign Trade Expectation Survey of the Ministry of Commerce, the export expectation index decreased to 96.9, while the import expectation index increased to 115.4.
According to TURKSTAT data, the highest monthly real return in September was realized in GDDS. In the annual evaluation, the highest real return was obtained from gold bullion.

While spot gold fell to $4,106 due to interest pressure, delegates at the LBMA conference predicted that ounce gold would reach $5,013 within 12 months.
Turkish Statistical Institute published the 2025 Corporate Sector Accounts bulletin. While non-financial companies were the sector that contributed the most to total added value, GNP amounted to 62 trillion 288 billion 195 million 804 thousand lira.

According to the data of the Turkish Statistical Institute, the Gross National Product increased by 41.4 percent in 2025, reaching 62 trillion 288 billion TL, and the largest share in added value was made by non-financial companies.

According to TÜİK data, the highest monthly real return was realized in Government Domestic Debt Securities (GDBS) with 1.40 percent in September when discounted with the consumer price index. In the annual evaluation, the highest real return was in bullion.