Methodologies and Changes

Methodologies and Changes

Current Methodologies and Methodology changes of the Indices, administrated by Borsa Istanbul, can be followed on this page.

Methodology changes can be classified as “Material”, “Non-Material” or “Urgent Material”.

Methodology changes, defined as “Material” by Borsa Istanbul, are open to consultation of stakeholders on this page, and comments can be submitted until the “Deadline for Consultation”. A summary of the submitted comments (only those that are permitted by the commenter) and Borsa Istanbul's evaluations regarding those comments are published on this page after the relevant changes put into effect.

“Non-Material” and “Urgent Material” changes can be put into effect without consultation.

Methodology Changes in Consultation Process

Name of The Change: Increasing the minimum nominal amount from TL 100 million to TL 300 million
Change Number:           2023-1
Index Family: BIST KYD Indices
Planned Commissioning Date:  24 February 2023
Comment Expected? Yes
Deadline for Comment: 27 January 2023
Posting Date of Comments:  17 February 2023

Click for Detailed Information

Consultation period has expired.

Methodology Changes in Effect

BIST Stock Indices

Effective Date Type of Change Methodology Updated Methodology More Detail
10.11.2022 Urgent Material Change BIST Market Cap Weighted Stock Indices Updated Methodology Click
10.11.2022 Urgent Material Change BIST Non-Market Cap Weighted Stock Indices Updated Methodology Click

BIST KYD Indices

Effective Date Type of Change Methodology Updated Methodology More Detail
28.12.2022 Non-Material Change BIST KYD Indices Updated Methodology Click

BIST Gold Denominated Indices

Effective Date Type of Change Methodology Updated Methodology More Detail
14.12.2022 Non-Material Change BIST Gold Denominated Indices Updated Methodology Click

BIST Strategy Indices

Effective Date Type of Change Methodology Updated Methodology More Detail
31.12.2003 BIST Risk Control Indices Updated Methodology Click
01.04.2016 BIST Leveraged and Short Indices Updated Methodology Click

TLREF

Effective Date Type of Change Methodology Updated Methodology More Detail
14.12.2022 Non-Material Change TLREF Updated Methodology Click

TLREFK

Effective Date Type of Change Methodology Updated Methodology More Detail
28.12.2022 Non-Material Change TLREFK Updated Methodology Click