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Strengthening Europe’s strategic autonomy through capital marketsCzechoslovak Group lists on EuronextRead moreWorld’s largest defence IPO ever recorded.
Learn more about Euronext’s initiatives to enhance financing and visibility for European aerospace and defence companies - Trading
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- Data
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Access the white paperInvesting in the future of Europe with innovative indicesRead moreThe first edition of the Euronext Index Outlook series with a particular focus on the European Strategic Autonomy Index.
- Regulation
- About Euronext
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Working Days & Operating Hours
2026
The working calendar of Euronext Securities Porto is based on the calendar defined for the TARGET2 System (Trans-European Automated Real Time Gross Settlement Express Transfer System).
On May 1, 2026 (Labour Day) EURONEXT SECURITIES PORTO systems will be open for the settlement of free of payment instructions, according to TARGET2-Securities (T2S) calendar.
Thus, the services managed by Euronext Securities Porto, during the year2026, will not be available on Saturdays and Sundays and on the days outlined on the table.
Please note that the working calendar for 2026 is available in the Notice No. 25/1162 Closing days in 2026.
This information does not replace the necessary consultation of the Regulations in force.
| 2026-01-01 | New Year |
| 2026-04-03 | Good Friday |
| 2026-04-06 | Easter Monday |
| 2026-12-25 | Christmas |
2025
The working calendar of Euronext Securities Porto is based on the calendar defined for the TARGET2 System (Trans-European Automated Real Time Gross Settlement Express Transfer System).
On May 1, 2025 (Labour Day) EURONEXT SECURITIES PORTO systems will be open for the settlement of free of payment instructions, according to TARGET2-Securities (T2S) calendar.
Thus, the services managed by Euronext Securities Porto, during the year2025, will not be available on Saturdays and Sundays and on the days outlined on the table.
Please note that the working calendar for 2025 is available in the Notice No. 24/1172 Closing days in 2025.
This information does not replace the necessary consultation of the Regulations in force.
| 2025-01-01 | New Year |
| 2025-04-18 | Good Friday |
| 2025-04-21 | Easter Monday |
| 2025-12-25 | Christmas |
| 2025-12-26 | Boxing Day |
Operating hours
The operating hours of the centralised systems and settlement systems managed by Euronext Securities Porto are based on the operating hours of the T2S platform – TARGET2-Securities and are set out in the notice no. 0394/2024 Timetables.
| Schedule T2S | Time CET |
|---|---|
| Start of Day – SoD | |
| Change of business date | 18:45 |
| Preparation for Night Time Settlement | 18:45 – 20:00 |
| Night Time Settlement (NTS) | |
| Start of NTS | 20:00 |
| First Cycle, with five sequences | |
| Last Cycle, with partial settlement in sequence X | |
| Real time Settlement (Starts if the NTS ends before 03:00 CET / 02:00 WET) | |
| Maintenance Window in weekday (optional) | 03:00 – 05:00 |
| Maintenance Window from Saturday until Monday (required) | 02:30 – 02:30 |
| Real time Settlement | 05:00 – 18:00 |
| Partial Settlement | |
| Cycle 1 | 08:00 – 08:30 |
| Cycle 2 | 10:00 – 10:15 |
| Cycle 3 | 12:00 – 12:15 |
| Cycle 4 | 14:00 – 14:15 |
| Cycle 5 | 15:30 – 16:00 |
| DVP (Delivery versus Payment) cut-off | 16:00 |
| Collateral reimbursement | 16:30 |
| BATM / CBO cut-off | 17:40 |
| Inbound LTO cut-off / Automatic cash sweep | 17:45 |
| FOP (Free of Payment) cut-off | 18:00 |
| End of Day – EoD | 18:00 |
- Please Note: Portugal uses WET (Western European Time), which is -1 hour than CET (Central European Time).
- Acronyms:
- BATM – Bilaterally Agreed Treasury Management
- CBO – Central Bank Operations
- LTO – Liquidity Transfer Orders