Overview CSD
Astana International Exchange Central Securities Depository Limited (AIX CSD)
AIX CSD is a private company incorporated under the Acting law of AIFC. We are responsible for daily cash and securities settlement as well as depositary activities.
Astana International Exchange Registrar Limited (AIX Registrar)
Operational model
- We utilize the BIS Model II, where securities are transferred on a gross basis while cash transfers are conducted on a net basis. This model enhances efficiency and reduces counterparty risk.
- For on-exchange trades, the settlement cycle is T+2, ensuring that transactions are settled two business days after the trade date.
- For OTC trades, the settlement cycle is defined by participant instructions, providing flexibility based on individual needs.
- We offer a custody model that includes give-up/take-up of settlement instructions, facilitating the smooth handling of securities transactions.
- We partner with several banks for settlement, including Bank Center Credit JSC and Citibank Kazakhstan JSC.
Technology
- AIX CSD system and front ends are powered by Avenir Technology (Avenir), a global provider of post-trade infrastructure and applications.
- AIX CSD utilizes the SWIFT network in line with SWIFT standards ISO 15022 and ISO 20022.
- AIX CSD is successfully re-certified under international information security standards ISO 27001 (Information Security Management), ISO 27032 (Cyber Security Management), ISO 27017 (Security Techniques Cloud Services) and ISO 27018 (Best Practices).

Global post-trade risk and custody specialists assigned an overall risk assessment of ‘A+’, which denotes a ‘Low Risk’.

We are an associate member of the European Central Securities Depositories Association (ECSDA)
Nasdaq Dubai and AIX CSD have launched a direct CSD link between the markets.
Licenses
We hold commercial licenses from the Registrar of Companies of Astana Financial Services Authority (AFSA).
Key figures
Opened investor accounts (by September 2025)
2.17 million accounts
OTC Trades (by September 2024)
$4,517,695,233.10
On-Exchange Trades (by September 2025)
$1,614,622,725.33
For further details, please visit our Yearly Statistics | AIX