This story is from 21 September 2026.
At Borsa Istanbul (BIST), the BIST 100 index declined by 1.92% to 13,028.71 points at 13:00. Trading volume reached 79.9 billion lira (TL).
The banking index was the only gainer of the day with 0.01 percent. The holding index lost 4.21 percent, and financial leasing factoring lost 9.55 percent. Analysts showed 12,900 and 12,800 points as support, and 13,100 and 13,200 points as resistance.
+4: Karar, Dünya, Sigorta Gündem and PSM +5: Diken, Karar, Dünya, Sigorta Gündem and PSM 
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 President Recep Tayyip Erdoğan met with the leaders of Vietnam, Libya and Lebanon in New York. At the 100 Years of Friendship US-Türkiye reception, Erdoğan said Trump's visit to Ankara for the NATO Summit strengthened relations and that the trade volume reached 28 billion dollars in the first 8 months of the year.
+2: Anadolu Ajansı and TRT World +10: Haber7, Hürriyet, TGRT Haber, Sabah, Habertürk, Yeni Akit, Milat, NTV, Türkiye Gazetesi and Yeni Şafak +11: Yeni Asır, Haber7, Hürriyet, TGRT Haber, Sabah, Habertürk, Yeni Akit, Milat, NTV, Türkiye Gazetesi and Yeni Şafak +5: Bianet, Dünya, Ekonomi Manşet, Ekonomim and Kıbrıs Genç TV +6: Karar, Bianet, Dünya, Ekonomi Manşet, Ekonomim and Kıbrıs Genç TV 
+6: Sözcü, Yeniçağ, Halk TV, Evrensel, Muhalif and Nefes +7: BirGün, Sözcü, Yeniçağ, Halk TV, Evrensel, Muhalif and Nefes 
The Interior Ministry reported that citizenship decisions for a total of 6,134 people were revoked in the irregular citizenship investigation. Justice Minister Akın Gürlek announced that 72 people were detained in the second wave, trustees were appointed to 30 companies, and collusive transactions exceeding 3.5 billion lira (TL) were detected.
+11: Hürriyet, Türkiye Gazetesi, A Haber, Star, Milat, Sabah, NTV, Yeni Asır, Yeni Şafak, CNN Türk and Habertürk +12: Takvim, Hürriyet, Türkiye Gazetesi, A Haber, Star, Milat, Sabah, NTV, Yeni Asır, Yeni Şafak, CNN Türk and Habertürk +5: Dünya, Diken, Kısa Dalga, Havadis and Karar +6: Ekonomim, Dünya, Diken, Kısa Dalga, Havadis and Karar +9: Halk TV, Sözcü, Gerçek Gündem, Yeniçağ, BirGün, Tele2 Haber, Oda TV, soL Haber and Aykırı +10: Nefes, Halk TV, Sözcü, Gerçek Gündem, Yeniçağ, BirGün, Tele2 Haber, Oda TV, soL Haber and Aykırı 
In the German capital Berlin, the Left Party, nominating Turkish-origin Elif Eralp for mayor, won the state parliament election with 25.7% of the vote. According to provisional official results, the Left Party won 47 seats, the CDU 35, and the AfD 29; a coalition is required.
+10: Dünya, Medyascope, Gazete Oksijen, Bloomberg HT, Ekonomim, Ekonomi Manşet, Diken, Harici, Havadis and Kısa Dalga +11: Bianet, Dünya, Medyascope, Gazete Oksijen, Bloomberg HT, Ekonomim, Ekonomi Manşet, Diken, Harici, Havadis and Kısa Dalga 
+6: Halk TV, Muhalif, Oda TV, Yeniçağ, Gerçek Gündem and Cumhuriyet +7: Tele2 Haber, Halk TV, Muhalif, Oda TV, Yeniçağ, Gerçek Gündem and Cumhuriyet 
+3: Naftemporiki, Euronews Türkçe and Independent Türkçe +4: BBC Türkçe, Naftemporiki, Euronews Türkçe and Independent Türkçe Fenerbahçe defeated Eyüpspor 8-0 at home in the sixth week of the Süper Lig, with Vedat Muriqi scoring four goals. Eyüpspor accepted head coach Özhan Pulat's resignation following the match.
TSLFT
Fenerbahçe8 – 0Eyüpspor
+2: TRT Haber and Anadolu Ajansı 
+6: A Spor, Habertürk, Hürriyet (spor), Sabah (spor), Milat and Star +7: Haber7, A Spor, Habertürk, Hürriyet (spor), Sabah (spor), Milat and Star 
+5: Dünya, Gündem Kıbrıs, Ekonomi Manşet, Sigorta Gündem and Medyascope +6: NTV Spor, Dünya, Gündem Kıbrıs, Ekonomi Manşet, Sigorta Gündem and Medyascope +4: Halk TV, Gerçek Gündem, Muhalif and BirGün +5: Evrensel, Halk TV, Gerçek Gündem, Muhalif and BirGün 
