Important Developments and Analysis of Today in Borsa İstanbul

Highlighted Companies of the Day

We compiled important developments in Borsa Istanbul as of December 31, 2025. Here are the noteworthy company news:

• İş Bankası (ISCTR) sold its shares in Greeneco Enerji to its subsidiary İş Enerji Yatırımları. It is learned that $20 million of the sale will be received in cash, while the remaining amount will be collected within 2026.
• Türk Altın (TRALT) signed a cooperation protocol with Taşzemin Madencilik to process 8.1 million tons of ore to be extracted from the Altın+Gümüş mining site in Eskişehir at the Kaymaz Gold Operation.
• Türk Prysmian Kablo (PRKAB) announced that it has won the tender organized by TEİAŞ and received a contract invitation. The total amount of the tender was determined to be 934.25 million TL.
• Smart Güneş Enerjisi (SMRTG) transferred the title of its production facilities for projects in Bulgaria to its subsidiary.
• Özata Denizcilik (OZATD) signed three "Ship Repair and Maintenance Contracts" with three companies abroad, with a total value of $2 million.
• Arzum (ARZUM) decided on a 200% capital increase.

General Market Situation

The BIST 100 index started the day with an increase of 0.26%, reaching 11,249.67 points. The dollar is trading at 42.96 TL, and the euro is at 50.52 TL. The price of gram gold is 5,957 TL, while the ounce gold is being sold at $4,328.

Global Market Developments

In global markets, the Fed's December minutes showed differing views among officials, leading to a mixed trend. The Fed considers further interest rate cuts probable if inflation decreases as expected. Meanwhile, the Chinese economy exhibited better-than-expected performance at year-end with a recovery in the manufacturing sector, and the Official Manufacturing Purchasing Managers Index (PMI) rose to 50.1 in December.

Dividend and Buyback Information

One of the important developments for investors is dividend payments. Today, MEDTR will make a dividend payment of 0.07 TL per share, and TKFEN will pay 0.28 TL per share. Additionally, some companies' share buyback decisions are noteworthy. The prominent buybacks are as follows:

• LKMNH: Bought back 30,000 shares at 18.51 TL.
• ESCAR: Bought back 39,218 shares at 24.09 TL.
• NTHOL: Bought back 17,606 shares at 47.06 TL.
• MERCN: Bought back 100,000 shares at 16.01 TL.
• ORGE: Bought back 137,419 shares at 66.73 TL.