BIST 100 index at Borsa Istanbul started the day at 12,373.11 points with an increase of 0.84 percent.
AI-generated summary
On Friday, BIST 100 index gained 0.17 percent and finished at 12,270.18 points.
BIST 100 index at Borsa Istanbul, which followed a buying-oriented trend on Friday, closed the day at 12,270.18 points, gaining 0.17 percent in value.
The index rose to 12,373.11 points at the opening today, with an increase of 102.93 points and 0.84 percent compared to the previous closing. While the banking index gained 0.81 percent in value, the holding index decreased by 0.39 percent.
Among the sector indices, the bank gained the most and the one that decreased the most was financial leasing factoring, with 6.76 percent.
Global markets started the week on a mixed note, as the weak employment data announced in the USA strengthened the expectations that the US Federal Reserve (Fed) will not make additional tightening this month, but the tensions in the Middle East limited the risk appetite.
On the other hand, domestic inflation data will be followed today. Economists participating in the AA Finance Inflation Expectations Survey estimate that the Consumer Price Index (CPI) will increase by 2.18 percent in September. According to the average inflation expectations of economists for September (2.18 percent), annual inflation, which was 31.51 percent in August, is expected to decrease to 30.16 percent in September.
Analysts stated that domestic inflation, producer inflation data in the Eurozone and global Purchasing Managers Index (PMI) data will be followed today, and noted that technically, 12,200 and 12,100 points in the BIST 100 index are support and 12,500 and 12,600 points are resistance.
AI outlook — possibilities, not facts
CPI is expected to increase by 2.18 percent in September.
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Dollar/TL increased by 0.1 percent to 49.1630 on the first trading day of the week. According to TÜİK data, annual inflation decreased to 29.73 percent in September, while Brent oil is around 102 dollars.
According to TÜİK data, the highest price increase in September was in higher education education with 25.79 percent. The biggest price decrease was seen in fresh citrus fruits with 24.41 percent.

Domestic Producer Price Index (D-PPI) increased by 2.07 percent in September 2026 compared to the previous month and 27.38 percent on an annual basis.

Minister of Family and Social Services Mahinur Özdemir Göktaş announced that a total of 9.47 billion lira payments, 5.37 billion liras to 736 thousand 596 senior citizens and 4.09 billion liras to 553 thousand 890 disabled citizens, started to be deposited into the accounts in October.

International credit rating agencies Moody's and Fitch made evaluations about the fund crisis and the banking sector in Türkiye. While Moody's pointed out oversight gaps, Fitch put the banking sector's outlook in the deteriorated category.

For the salary increases to be made in January 2027, the 3-month total inflation was 5.57 percent. While SGK and Bağ-Kur retirees already deserve this raise, an inflation difference is expected for civil servants.