The T+2 settlement cycle currently used in the European Union’s securities markets will be shortened to T+1 from 11 October 2027. The transition will fundamentally affect post-trade processes, meaning that market participants should accelerate their preparations now.
The T+1 model will affect the entire post-trade infrastructure, including trading venues, clearing houses, central securities depositories, custodians, investment service providers and investors. The transition is intended to reduce risks, increase market efficiency and strengthen the international competitiveness of European markets.
Further information: MNB information on the transition to T+1
Why is the European Union moving to T+1?
The European Commission, ESMA (the European Securities and Markets Authority), the European Central Bank and the EU T+1 Industry Committee established by market participants have all concluded that a shorter settlement cycle offers significant long-term benefits for European capital markets.
The transition strategy aims to achieve international harmonisation. The United States moved to the T+1 model in May 2024, while the United Kingdom and Switzerland will switch on 11 October 2027, in line with the European Union. A coordinated implementation will reduce the operational risks and costs arising from cross-border trading.
In addition, one of the most important benefits is the reduction in counterparty risk: the shorter the period between trade execution and settlement, the lower the likelihood that either party will become insolvent or otherwise be unable to meet its obligations.
T+1 also improves liquidity and capital management. Cash and securities are released more quickly and can therefore be redeployed more efficiently for new investments or financing purposes. A shorter settlement cycle may also reduce collateral and margin requirements.
For retail and institutional investors, the change will primarily mean faster settlement. Purchases and sales of securities will settle one day earlier, allowing investors to access the proceeds of sales or the securities they have purchased sooner. This may be particularly beneficial for active traders and investors operating across multiple markets, as it enables faster capital turnover and more efficient liquidity management.
Operational and technological challenges
One of the greatest challenges of moving to T+1 is the significant reduction in the time available to correct errors. Market participants will essentially need to reconcile transaction data, secure funding and complete the related administrative tasks on the trade date.
Substantial technological developments are essential to accomplish this. The conditions for a successful transition include:
- a high degree of automation,
- the use of Straight-Through Processing (STP) solutions,
- improved data quality,
- enhanced integration between systems,
- real-time monitoring,
- the establishment of effective incident management procedures.
For this reason, ESMA and the EU T+1 Industry Committee place particular emphasis on continuously assessing market participants’ readiness, developing common recommendations and conducting extensive testing.
Current state of industry preparedness in Europe
According to the EU T+1 Industry Committee’s June 2026 surveys and industry feedback, the European market’s level of preparedness continues to improve:
- 83% of organisations are already actively preparing for the transition.
- 58% of organisations have a formal implementation plan, more than double the proportion recorded six months earlier.
- Awareness of the transition has reached 86%, while only 2% of market participants have taken no meaningful steps to prepare.
The project’s focus has now shifted from planning to execution. While larger market infrastructures, custodians and major intermediaries are generally at an advanced stage of preparedness, investment fund managers, pension funds and smaller institutions are progressing more slowly. At present, the greatest challenge is no longer understanding the T+1 requirements, but ensuring effective coordination among market and business partners, service providers and technology vendors.
A successful transition will require greater automation, standardisation and close cooperation among market participants. Many institutions still need to improve their allocation, confirmation and Standing Settlement Instruction (SSI) processes, as well as their middle-office activities. The EU T+1 Industry Committee stresses that extensive industry-wide testing is essential to ensure that the entire settlement chain is ready for the new operating model. To support this, the Committee has issued new guidance on the storage and exchange of SSI data, aligning EU and UK practices and providing detailed guidance on the management of BIC, PSET, ISIN and MIC data, among other matters.
Further details: Professional materials and updates from the EU T+1 Industry Committee
As part of the European Union and United Kingdom’s joint testing programme, the Industry Committee has identified three fundamental priorities:
- starting testing activities as soon as possible,
- making deliberate preparations for operational and organisational changes,
- recognising that T+1 represents an opportunity to digitalise and modernise the entire post-trade environment.
Shortening the settlement cycle is not merely a regulatory milestone, but also the next stage in the development of Europe’s financial markets. The success of the change will ultimately depend on how effectively the institutions concerned can align their processes and adapt to a faster operating environment. If successfully implemented, Europe could enter the next decade with an even more integrated and attractive capital markets ecosystem.
The key tasks for the period ahead are to accelerate automation, map dependencies on partners and begin testing as soon as possible.
Contributors to the preparation of this newsletter: Edvin Somogyvári and Kincső Nagy
