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
There is no methodology change in consultation process.
Methodology Changes in Effect
BIST Stock Indices
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 29.08.2024 | Urgent Material Change | BIST Market Cap Weighted Stock Indices | Updated Methodology | Relevant Announcement |
| 10.11.2022 | Urgent Material Change | BIST Non-Market Cap Weighted Stock Indices | Updated Methodology | Relevant Announcement |
| 27.12.2023 | Material Change | BIST Market Cap Weighted Stock Indices | Methodology | Relevant Announcement |
| 22.12.2023 | Non-Material Change | BIST Market Cap Weighted Stock Indices | Methodology | Relevant Announcement |
| 27.11.2023 | Material Change | BIST Market Cap Weighted Stock Indices | Methodology | Relevant Announcement |
| 15.08.2023 | Non-Material Change | BIST Market Cap Weighted Stock Indices | Methodology | Relevant Announcement |
| 10.11.2022 | Urgent Material Change | BIST Market Cap Weighted Stock Indices | Methodology | Relevant Announcement |
BIST-KYD Indices
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 26.08.2024 | Non-Material Change |
BIST-KYD Indices | Updated Methodology | Relevant Announcement |
| 03.05.2024 | Material Change |
BIST-KYD Indices | Methodology | Relevant Announcement |
| 13.03.2024 | Non-Material Change |
BIST-KYD Indices | Methodology | Relevant Announcement |
| 25.12.2023 | Non-Material Change |
BIST-KYD Indices | Methodology | Relevant Announcement |
| 24.02.2023 | Material Change | BIST-KYD Indices | Methodology | Relevant Announcement |
| 28.12.2022 | Non-Material Change | BIST-KYD Indices | Methodology | Relevant Announcement |
BIST Sustainability Themed Debt Securities Indices
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 13.05.2024 | Non-Material Change |
BIST Sustainability Themed Debt Securities Indices | Updated Methodology | Relevant Announcement |
BIST Commodity and Commodity Denominated Securities Indices
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 16.12.2024 | Non-Material Change |
BIST Commodity and Commodity Denominated Indices |
Updated Methodology |
Relevant Announcement |
| 25.12.2023 | Non-Material Change |
BIST Gold Denominated Indices |
Methodology |
Relevant Announcement |
| 14.12.2022 | Non-Material Change | BIST Gold Denominated Indices | Methodology | Relevant Announcement |
BIST Strategy Indices
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 31.12.2003 | BIST Risk Control Indices | Updated Methodology | Relevant Announcement | |
| 01.04.2016 | BIST Leveraged and Short Indices | Updated Methodology | Relevant Announcement |
TLREF
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 14.12.2022 | Non-Material Change | TLREF | Updated Methodology | Relevant Announcement |
TLREFK
|
Effective Date
|
Type of Change
|
Name of Methodology
|
Methodology
|
More Detail
|
|---|---|---|---|---|
| 28.12.2022 | Non-Material Change | TLREFK | Updated Methodology | Relevant Announcement |
