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All News

All News

BIST Sustainability Themed Debt Securities Indices Periodic Review

29 July 2025 BIST Sustainability Themed Debt Securities Indices Periodic Review

Regarding the Change in Price Margin in Real Estate Certificates

28 July 2025 Regarding the Change in Price Margin in Real Estate Certificates

Constituents of the BIST Dividend and BIST Dividend 25 indices for the period August 1, 2025 – October 31, 2025 has been changed

21 July 2025 Constituents of the BIST Dividend and BIST Dividend 25 indices for the period August 1, 2025 – October 31, 2025 has been changed

Borsa İstanbul announces the constituent changes to the BIST Buyback Index for July, 2025

03 July 2025 Borsa İstanbul announces the constituent changes to the BIST Buyback Index for July, 2025

World Exchanges Meet in İstanbul

02 July 2025 World Exchanges Meet in İstanbul

The Extension of the Validity Date of the Order-to-Trade Ratio (OTR) Change in the Equity Market

27 June 2025 The Extension of the Validity Date of the Order-to-Trade Ratio (OTR) Change in the Equity Market

BIST-KYD Fund Indices Periodic Review

26 June 2025 BIST-KYD Fund Indices Periodic Review

BIST-KYD Corporate Eurobond Indices Periodic Review

25 June 2025 BIST-KYD Corporate Eurobond Indices Periodic Review

Borsa İstanbul announces the constituent changes to the BIST Stock Indices for the third quarter of 2025

20 June 2025 Borsa İstanbul announces the constituent changes to the BIST Stock Indices for the third quarter of 2025

Re-Determination of the New Market Segments of the Shares in the Equity Market’s BIST Stars, BIST Main and BIST SubMarket

20 June 2025 Re-Determination of the New Market Segments of the Shares in the Equity Market’s BIST Stars, BIST Main and BIST SubMarket

Borsa İstanbul announces the constituent changes to the BIST Buyback Index for June, 2025

04 June 2025 Borsa İstanbul announces the constituent changes to the BIST Buyback Index for June, 2025

Regarding Supply Chain Compliance Reports and Independent Assurance Reports

02 June 2025 Regarding Supply Chain Compliance Reports and Independent Assurance Reports

The Extension of the Validity Date of the Order-to-Trade Ratio (OTR) Change in the Equity Market

30 May 2025 The Extension of the Validity Date of the Order-to-Trade Ratio (OTR) Change in the Equity Market

Market Making Program Rule Changes in Derivatives Market

30 May 2025 Market Making Program Rule Changes in Derivatives Market

Announcement Regarding the Newly Calculated BIST Leveraged and Short Indices

22 May 2025 Announcement Regarding the Newly Calculated BIST Leveraged and Short Indices

Borsa İstanbul announces the constituent changes to the BIST SME Industrial Index for June 1, 2025 - May 31, 2026 Period.

15 May 2025 Borsa İstanbul announces the constituent changes to the BIST SME Industrial Index for June 1, 2025 - May 31, 2026 Period.

Announcement Regarding the Change to be Made in the Session Flow of the Series with ‘.HE’ Extensions

09 May 2025 Announcement Regarding the Change to be Made in the Session Flow of the Series with ‘.HE’ Extensions

Borsa İstanbul announces the constituent changes of BIST Buyback Index for May, 2025

06 May 2025 Borsa İstanbul announces the constituent changes of BIST Buyback Index for May, 2025

Announcement on the changes made in BIST Market Cap Weighted Stock Indices Methodology

06 May 2025 Announcement on the changes made in BIST Market Cap Weighted Stock Indices Methodology

Shortening the Settlement Cycle for Instruments Traded on Borsa Istanbul Equity Market

05 May 2025 Shortening the Settlement Cycle for Instruments Traded on Borsa Istanbul Equity Market

Borsa İstanbul Initiates Evaluation Process for Shortening the Equity Market Settlement Cycle from T+2 to T+1

05 May 2025 Borsa İstanbul Initiates Evaluation Process for Shortening the Equity Market Settlement Cycle from T+2 to T+1

Announcement Regarding Changes to the TLREFK Turkish Lira Overnight Participation Reference Rate Methodology

30 April 2025 Announcement Regarding Changes to the TLREFK Turkish Lira Overnight Participation Reference Rate Methodology

Periodic review for the BIST Sustainability Themed Debt Securities Indices has been finalized

28 April 2025 Periodic review for the BIST Sustainability Themed Debt Securities Indices has been finalized

Borsa İstanbul announces the constituent changes to the BIST Participation Indices for the period May 2025 – September 2025

25 April 2025 Borsa İstanbul announces the constituent changes to the BIST Participation Indices for the period May 2025 – September 2025

Constituents of the BIST Dividend and BIST Dividend 25 Indices for the period May 1, 2025 – July 31, 2025 has been changed

21 April 2025 Constituents of the BIST Dividend and BIST Dividend 25 Indices for the period May 1, 2025 – July 31, 2025 has been changed