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2 clusters · 46 sources · 18 days · First seen · Last updated
Turkish capital market manipulation investigations
Overview
Turkish authorities have initiated investigations into potential market manipulation and misconduct within the country’s capital markets.
In September 2026, prosecutors launched an investigation into former Borsa İstanbul Chairman and General Manager İbrahim Mustafa Turhan. The Istanbul Chief Public Prosecutor's Office alleged that Turhan’s social media activity could cause “fear and panic” among investors, following a period of market volatility where the BIST 100 index dropped by over 6 percent.
By October 2026, the scope of legal scrutiny expanded to include former Capital Markets Board (SPK) Chairman İbrahim Ömer Gönül. The Istanbul Chief Public Prosecutor's Office has requested permission from the Ministry of Treasury and Finance to investigate Gönül for alleged abuse of office, specifically regarding a failure to fulfill supervisory and inspection duties over investment funds.
The inquiry focuses on suspicious, simultaneous movements between certain stocks and TEFAS-listed funds occurring between 2024 and September 2026. Investigators are examining whether these funds were used to create artificial price movements. Specific funds under scrutiny include Tera Portföy Birinci Serbest Fon, Pusula Portföy Hisse Senedi Fonu, Pusula Portföy Birinci Değişken Fon, Tera Portföy Algoritmik Stratejiler Serbest Fon, Atlas Portföy Serbest Fon, and Hedef Portföy İkinci Serbest Fon.
Potential crimes under investigation include qualified fraud, money laundering, market fraud, and the establishment of an organization to commit crimes. In response to the prosecutor's request, Treasury and Finance Minister Mehmet Şimşek has assigned the Ministry's Inspection Board to conduct a preliminary investigation and research into the matter.
Entities
Borsa İstanbul · Istanbul Chief Public Prosecutor's Office · Sude Ay · Ahmet Oğuz · Adil Demirbağ
Claims
What the coverage asserts, and how many sources carry each claim.
- [● 22 SOURCES] The Istanbul Chief Public Prosecutor's Office has requested permission from the Ministry of Treasury and Finance to investigate former Capital Markets Board (SPK) Chairman İbrahim Ömer Gönül for abuse
- [● 13 SOURCES] The investigation involves allegations of market manipulation through investment funds and portfolio management companies in Borsa Istanbul
- [● 11 SOURCES] The prosecutor's office identified potential crimes including qualified fraud, establishing an organization to commit crimes, money laundering, and market fraud
- [● 10 SOURCES] The prosecutor's office claims there are clear and sufficient indications that Gönül failed to fulfill his duties regarding the supervision of investment funds
- [● 7 SOURCES] The investigation covers the period from 2024 to September 2026
- [● 7 SOURCES] Treasury and Finance Minister Mehmet Şimşek assigned the Ministry's Inspection Board to conduct a preliminary investigation and research
- [● 5 SOURCES] The investigation includes specific funds such as Tera Portföy Birinci Serbest Fon and Pusula Portföy Hisse Senedi Fonu
- [● 3 SOURCES] İbrahim Ömer Gönül gave a statement as a suspect on September 30
Timeline
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[BUSINESS] 35 sourcesİbrahim Ömer Gönül faces investigation request for alleged fund supervision failures
Turkish prosecutors have requested permission to investigate former SPK Chairman İbrahim Ömer Gönül for abuse of office regarding alleged market manipulation and fund supervision failures in Borsa Istanbul.
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[BUSINESS] 14 sourcesTurkey investigates former Borsa İstanbul chief and Konyaspor addresses debt
Turkish authorities are investigating former Borsa İstanbul chief İbrahim Mustafa Turhan for posts causing investor panic, while Konyaspor President Ömer Atiker announces a major industrial project to tackle 2.
Sources
aksam.com.tr · aksiyon.com.tr · alienwp.com · anlatilaninotesi.com.tr · batmanrehbergazetesi.com · bizimsivas.com.tr · borsagundem.com · bursahakimiyet.com.tr · cnbce.com · cryptobriefing.com · demagog.cz · diken.com.tr · ekz.ch · en.protothema.gr · finans.mynet.com · gazetedamga.com.tr · gazetemerhaba.com · gazetepencere.com · giynikgazetesi.com · gzt.com · haber16.com · haberaktuel.com · habereguven.com · karsmanset.com · konyapostasi.com.tr · konyayenigun.com · merhabahaber.com · odatv4.com · punchng.com · sabah.com.tr · sehrivangazetesi.com · sesgazetesi.com.tr · sofokleous10.gr · son.tv · sondakika.com · spor.mynet.com · teknopedik.com · ticarihayat.com · tr724.com · turkgun.com · turkishminute.com · yenialanya.com · yenicaggazetesi.com.tr · yenicizgihaber.com · yenisafak.com · yuksekovahaber.com.tr
This summary has been updated 2 times: see revision history