Türkiye's stock exchange, Borsa Istanbul, continued its upward trajectory this week, with the benchmark BIST 100 setting consecutive fresh records and closing at an all-time high of 12,668.52 points on Friday.
The winning streak comes amid growing optimism over Türkiye’s disinflation path, alongside a brighter outlook for the Turkish central bank’s ongoing easing cycle aimed at reducing borrowing costs.
The index posted a weekly gain of 3.83%, reflecting a total increase of 12.5% since the beginning of 2026.
The total market capitalization of BIST 100-listed companies reached approximately ₺12.44 trillion ($288.6 billion), with Friday’s trading volume totaling ₺194 billion ($4.49 billion).
Among sectoral indices, technology stocks led the advance with an 8.72% weekly gain, followed by industrials at 7.37% and services at 3.72%. Financials, however, declined by 0.72%, with the liquid banking index falling 1.23%.
In terms of individual stocks, Bati Soke Cimento, a cement producer, surged 48.9%; Astor Enerji, an energy equipment manufacturer, rose 24.16%; and Katilimevim, a financial services firm operating in the interest-free housing sector, advanced 19.67%.
On the downside, Kiler Holding, a diversified conglomerate with interests in retail and real estate, dropped 16.43%, Ral Yatirim, an investment firm, fell 13.45%; and Gen Ilac, a pharmaceutical company, declined by 9.85%.
Among heavyweight stocks, Aselsan, Türkiye’s leading defense electronics manufacturer, rose by 16.2%, and Koc Holding, the country’s largest industrial and services group, gained 6.43%, while Garanti Bank, one of Türkiye’s largest private lenders, slipped 1.16%.
Türkiye’s two-year government bond yield declined over the week, ending at 36.45%, down from 36.97% at the start of the period.
The U.S. dollar/Turkish lira exchange rate ended the week at 43.2750, up 0.4% from the previous week’s close.
Looking ahead, market participants are turning their attention to the CBRT’s upcoming Monetary Policy Committee (MPC) meeting on Thursday, Jan. 22. Following lower-than-expected inflation in December, the bank’s survey showed that investors now anticipate a 150 basis point interest rate cut.
In addition to monetary policy, the market is also awaiting credit rating updates from Fitch Ratings and Moody’s, both scheduled to release their evaluations on Türkiye on Friday, Jan. 23.