This story is from 18 September 2026.
On Borsa Istanbul (BIST), the BIST 100 index saw a weekly low of 12,817.01 and a high of 14,355.46 points, closing the week down 8.18%; the dollar rose 0.36% to 48.7810 lira, while the euro fell 0.91%.
The closing was 8.18 percent below the previous week. While investment funds lost 2.57 percent and pension funds 1.74 percent, money market funds were the best-performing category with a 0.65 percent gain. In gold, the gram fell to 6,826 lira and the quarter gold to 11,174 lira.
+6: Dünya, Bloomberg HT, Ekonomim, Sigorta Gündem, PSM and Ekonomi Manşet +7: Diken, Dünya, Bloomberg HT, Ekonomim, Sigorta Gündem, PSM and Ekonomi Manşet 
The Capital Markets Board (SPK) rejected claims that it ignored Borsa Istanbul's (BIST) warnings about funds. The board said it imposed a total of about 3.7 billion lira in administrative fines in 2025 and the first nine months of 2026 and filed criminal complaints against 326 people.
+3: DHA, Türkiye Gazetesi and Star +4: TGRT Haber, DHA, Türkiye Gazetesi and Star 
+5: Diken, Dünya, Ekonomim, ANKA Haber Ajansı and Medyascope +6: Karar, Diken, Dünya, Ekonomim, ANKA Haber Ajansı and Medyascope 
+6: Yeniçağ, BirGün, Cumhuriyet, Nefes, soL Haber and İlke TV +7: Evrensel, Yeniçağ, BirGün, Cumhuriyet, Nefes, soL Haber and İlke TV 
The Capital Markets Board (SPK) filed a criminal complaint against 21 people following its probe into ODINE share market transactions and imposed a 2-year trading ban on them.
+9: Yeni Şafak, NTV, Takvim, Milliyet, Yeni Akit, DHA, Türkiye Gazetesi, Hürriyet and Milat +10: Star, Yeni Şafak, NTV, Takvim, Milliyet, Yeni Akit, DHA, Türkiye Gazetesi, Hürriyet and Milat 
+3: ANKA Haber Ajansı, PSM and Sigorta Gündem +4: Karar, ANKA Haber Ajansı, PSM and Sigorta Gündem 
+2: Nefes and Evrensel A regulation published in the Official Gazette raised the customer identification threshold in the fight against money laundering and terrorist financing to 370,000 lira.
+2: TGRT Haber and Türkiye Gazetesi +3: Haber7, TGRT Haber and Türkiye Gazetesi 
+5: Dünya, Karar, Sigorta Gündem, Gazete Oksijen and Diken +6: Ekonomim, Dünya, Karar, Sigorta Gündem, Gazete Oksijen and Diken 
+2: Halk TV and BirGün A Turkish Grand National Assembly (TBMM) committee adopted a bill requiring foreign lodging platforms such as Booking, Expedia and Airbnb to hold a two-year permit costing 5 million lira.
+4: Haber7, Hürriyet, Milliyet and NTV +5: Takvim, Haber7, Hürriyet, Milliyet and NTV 
+2: ANKA Haber Ajansı and Ekonomim +2: Nefes and Yeniçağ Diesel prices per litre fell by 4.95 lira from midnight. There was no price change in the petrol group.
+2: Sigorta Gündem and Gazete Oksijen 
+4: Halk TV, BirGün, Evrensel and Muhalif +5: Nefes, Halk TV, BirGün, Evrensel and Muhalif Trade Minister Ömer Bolat said September exports rose 15.4% to $26 billion. According to Turkish Exporters Assembly data, the automotive sector, the leader in September, exported $31.1 billion in January-September.
+3: Gazete Oksijen, Ekonomim and Dünya +4: Karar, Gazete Oksijen, Ekonomim and Dünya 
The Turkish Statistical Institute (TÜİK) announced that gross national product in 2025 rose 41.4% to about 62.3 trillion lira. The economy was a net borrower at 1.8% of gross domestic product.
+4: ANKA Haber Ajansı, Bloomberg HT, Kısa Dalga and Ekonomim +5: Karar, ANKA Haber Ajansı, Bloomberg HT, Kısa Dalga and Ekonomim The Turkish Statistical Institute (TÜİK) released September inflation data. Annual inflation fell to 29.73%, dropping below 30% for the first time since November 2021, while the monthly rise was 1.84%.
+2: Milliyet and Haber7 +3: Ekonomim, Bloomberg HT and Karar +4: Sigorta Gündem, Ekonomim, Bloomberg HT and Karar Sayat Zurnacı and Aytaç Kart, referred to court in the Bakırköy Chief Public Prosecutor's Office investigation, were arrested; actress Nilperi Şahinkaya, former footballer Hasan Şaş and one other suspect were released under judicial control.
+7: Yeni Akit, Yeni Asır, Yeni Şafak, NTV, CNN Türk, Haber7 and Milliyet +8: Habertürk, Yeni Akit, Yeni Asır, Yeni Şafak, NTV, CNN Türk, Haber7 and Milliyet 
+9: Ajansspor, Bianet, Gazete Oksijen, Kısa Dalga, NTV Spor, Kıbrıs Genç TV, Gündem Kıbrıs, Kıbrıs Manşet and Diken +10: Serbestiyet, Ajansspor, Bianet, Gazete Oksijen, Kısa Dalga, NTV Spor, Kıbrıs Genç TV, Gündem Kıbrıs, Kıbrıs Manşet and Diken 
+6: Sözcü, BirGün, Nefes, Yeniçağ, Aykırı and Yenidüzen +7: Tele2 Haber, Sözcü, BirGün, Nefes, Yeniçağ, Aykırı and Yenidüzen 
Istanbul's 33rd High Criminal Court accepted and merged with the main case a 195-page supplementary indictment against 29 people, including jailed İstanbul Metropolitan Municipality (İBB) Mayor Ekrem İmamoğlu, in the Ağaç ve Peyzaj AŞ investigation; the number of defendants rose to 435 and the number of alleged acts to 155.
+12: Sabah, A Haber, Takvim, Türkiye Gazetesi, NTV, TGRT Haber, CNN Türk, Habertürk, Milat, Yeni Şafak, Haber7 and Yeni Akit +13: Milliyet, Sabah, A Haber, Takvim, Türkiye Gazetesi, NTV, TGRT Haber, CNN Türk, Habertürk, Milat, Yeni Şafak, Haber7 and Yeni Akit +5: Ekonomi Manşet, Diken, Gazete Oksijen, Dünya and Kısa Dalga +6: Ekonomim, Ekonomi Manşet, Diken, Gazete Oksijen, Dünya and Kısa Dalga 
+7: Cumhuriyet, Evrensel, Oda TV, Yeniçağ, BirGün, Nefes and Gerçek Gündem +8: Sözcü, Cumhuriyet, Evrensel, Oda TV, Yeniçağ, BirGün, Nefes and Gerçek Gündem In the investigation into the 2011 death of Kaşif Kozinoğlu at Silivri Prison, retired officials Hasan Ataman Yıldırım and Hasan Atilla Uğur were placed under house arrest on charges of "intentional killing," while then-Silivri Chief Public Prosecutor Ali İşgören and prison prosecutor Necip Doğan were referred to a magistrate's court with a request for arrest on charges of "membership in a criminal organization."
+7: Habertürk, Sabah, Yeni Asır, Türkiye Gazetesi, Takvim, Haber7 and Milliyet +8: Yeni Akit, Habertürk, Sabah, Yeni Asır, Türkiye Gazetesi, Takvim, Haber7 and Milliyet +8: Bianet, Serbestiyet, Kısa Dalga, Kıbrıs Genç TV, Ekonomi Manşet, Dünya, Ekonomim and Karar +9: Diken, Bianet, Serbestiyet, Kısa Dalga, Kıbrıs Genç TV, Ekonomi Manşet, Dünya, Ekonomim and Karar +4: Cumhuriyet, Yeniçağ, Nefes and Aykırı +5: Tele2 Haber, Cumhuriyet, Yeniçağ, Nefes and Aykırı 
The Council of Judges and Prosecutors (HSK) Second Chamber unanimously decided to temporarily suspend Bozova Public Prosecutor Türkşad Kunthan Uçuk from duty for three months. Afterward, the Tekirdağ Chief Public Prosecutor's Office launched an ex officio investigation for "insulting a public official" and issued a detention order.
+10: A Haber, Yeni Akit, Takvim, Hürriyet, Sabah, Milliyet, NTV, Türkiye Gazetesi, Star and Yeni Şafak +11: Haber7, A Haber, Yeni Akit, Takvim, Hürriyet, Sabah, Milliyet, NTV, Türkiye Gazetesi, Star and Yeni Şafak +3: Gazete Oksijen, Ekonomim and Serbestiyet +4: Diken, Gazete Oksijen, Ekonomim and Serbestiyet +6: Halk TV, Yeniçağ, Sözcü, Cumhuriyet, Gerçek Gündem and Nefes +7: Evrensel, Halk TV, Yeniçağ, Sözcü, Cumhuriyet, Gerçek Gündem and Nefes 
