---
title: "Investigation opened into former Borsa Istanbul chief Turhan over social media posts"
url: https://gazete.tv/en/story/2026-09-16-investigation-opened-former-borsa-istanbul-chief/
lang: en
date: 2026-09-16
updated: 2026-09-16T22:17:53.559Z
category: economy
sources: 7
agreement: agree
---

# Investigation opened into former Borsa Istanbul chief Turhan over social media posts

The Istanbul Chief Public Prosecutor's Office launched an ex officio investigation into former Borsa Istanbul (BIST) chairman İbrahim Mustafa Turhan over social media posts alleged to be capable of creating fear and panic in the capital markets. The investigation came after BIST 100 lost more than 6%, triggering a circuit breaker.

## Who is in this story

- [İbrahim Mustafa Turhan](https://gazete.tv/en/who-is-who/ibrahim-mustafa-turhan/) — People
- [Istanbul Chief Public Prosecutor's Office](https://gazete.tv/en/who-is-who/istanbul-cumhuriyet-bassavciligi/) — Institutions
- [Borsa Istanbul (BIST)](https://gazete.tv/en/who-is-who/borsa-istanbul/) — Institutions
- [Central Bank (TCMB)](https://gazete.tv/en/who-is-who/tcmb/) — Institutions
- [AK Party (AKP)](https://gazete.tv/en/who-is-who/ak-parti/) — Parties

## News sources

- [Eski Borsa Başkanı İbrahim Turhan hakkında soruşturma](https://www.evrensel.net/haber/6000821/eski-borsa-baskani-ibrahim-turhan-hakkinda-sorusturma?utm_source=rss_feed&utm_medium=rss&utm_campaign=rss_syndication) — Evrensel (opposition) — 2026-09-16
- [İbrahim Mustafa Turhan'dan ilk açıklama: Hakkında 'Manipülasyon soruşturması' başlatılmıştı](https://www.yenicaggazetesi.com/ibrahim-mustafa-turhandan-ilk-aciklama-hakkinda-manipulasyon-sorusturmasi-baslatilmisti-1072596h.htm) — Yeniçağ (opposition) — 2026-09-16
- [Eski Borsa İstanbul yönetim kurulu başkanına soruşturma](https://www.diken.com.tr/eski-borsa-istanbul-yonetim-kurulu-baskanina-sorusturma/?utm_source=rss&utm_medium=rss&utm_campaign=eski-borsa-istanbul-yonetim-kurulu-baskanina-sorusturma) — Diken (independent) — 2026-09-16
- [İbrahim Turhan hakkında soruşturma başlatıldı](https://www.ntv.com.tr/turkiye/ibrahim-turhan-hakkinda-sorusturma-baslatildi-1742134) — NTV (independent) — 2026-09-16
- [İbrahim Mustafa Turhan hakkında resen soruşturma başlatıldı](https://www.dunya.com/gundem/ibrahim-mustafa-turhan-hakkinda-resen-sorusturma-baslatildi-haberi-840297) — Dünya (independent) — 2026-09-16
- [Borsa İstanbul eski yöneticisi İbrahim Turhan’ın “değişiklik” tweetine soruşturma. Turhan: “Kastım kişi değil, yapısal değişim”](https://serbestiyet.com/featured/eski-borsa-istanbul-yonetim-kurulu-baskani-ibrahim-turhana-borsa-istanbul-paylasimi-sorusturmasi-248868/) — Serbestiyet (independent) — 2026-09-16
- [Borsa İstanbul Eski Yönetim Kurulu Başkanı Turhan'a soruşturma](https://artigercek.com/politika/borsa-istanbul-eski-yonetim-kurulu-baskani-turhana-sorusturma-350592h) — Artı Gerçek (opposition) — 2026-09-16

## Other editions

- tr: https://gazete.tv/tr/story/2026-09-16-eski-borsa-istanbul-baskani-turhan-hakkinda/
- ar: https://gazete.tv/ar/story/2026-09-16-investigation-opened-former-borsa-istanbul-chief/
- ru: https://gazete.tv/ru/story/2026-09-16-protiv-byvshego-glavy-stambulskoy-birzhi-turkhana/

---

Published by gazete.tv. https://gazete.tv/en/story/2026-09-16-investigation-opened-former-borsa-istanbul-chief/