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    Osl Singapore outage history

    22 recorded Osl Singapore incidents since April 2021, with official updates, affected components, duration and resolution information.

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    Extended Maintenance

    Started July 13, 2025 at 12:08 AM UTC · 30m

    OutageMajor incident
    Affected components
    User InterfaceREST APIFIX API
    1. July 13, 2025 at 12:08 AM UTCinvestigating

      OSL Digital Securities Exchange ATS (Automate Trading Service) is currently undergoing an extended maintenance period. We are working to resume the service as quickly as possible - apologies for any inconvenience caused. Other services are not affected.

    2. July 13, 2025 at 12:38 AM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unscheduled Maintenance

    Started November 29, 2024 at 4:00 AM UTC · 1h 17m

    OutageMajor incident
    Affected components
    User InterfaceREST APIFIX API
    1. November 29, 2024 at 8:21 AM UTCinvestigating

      OSLDS Exchange undergoing Unscheduled Maintenance that will result in a service outage.

    2. November 29, 2024 at 8:21 AM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. November 29, 2024 at 8:22 AM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    4. November 29, 2024 at 8:23 AM UTCmonitoring

      We are continuing to monitor for any further issues.

    5. November 29, 2024 at 8:23 AM UTCresolved

      This incident has been resolved.

    OSLDS iRFQ - Unplanned Maintenance

    Started February 18, 2024 at 11:51 PM UTC · 21m

    OutageCritical incident
    Affected components
    REST APIUser Interface
    1. February 18, 2024 at 11:51 PM UTCinvestigating

      OSL undergoing unplanned maintenance that will result in a service outage.

    2. February 19, 2024 at 12:13 AM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unscheduled Maintenance

    Started January 23, 2024 at 7:51 AM UTC · 57m

    OutageCritical incident
    Affected components
    User InterfaceREST APIFIX APIREST APIUser Interface
    1. January 23, 2024 at 7:51 AM UTCinvestigating

      OSL DS undergoing Unscheduled Maintenance that will result in a service outage.

    2. January 23, 2024 at 9:14 AM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unscheduled Maintenance

    Started September 22, 2023 at 12:22 AM UTC · 2h 32m

    OutageCritical incident
    Affected components
    User InterfaceREST APIFIX APIREST APIUser Interface
    1. September 22, 2023 at 12:22 AM UTCinvestigating

      OSL DS undergoing Unscheduled Maintenance that will result in a service outage.

    2. September 22, 2023 at 2:54 AM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unplanned Maintenance

    Started March 3, 2023 at 3:10 AM UTC · 3h 20m

    OutageCritical incident
    Affected components
    User InterfaceREST APIFIX API
    1. March 3, 2023 at 3:10 AM UTCinvestigating

      OSL DS undergoing unplanned maintenance that will result in a service outage.

    2. March 3, 2023 at 6:50 AM UTCinvestigating

      We are continuing to investigate this issue.

    3. March 3, 2023 at 6:57 AM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unplanned Maintenance

    Started February 3, 2023 at 4:00 AM UTC · 2h 26m

    OutageMajor incident
    Affected components
    User InterfaceREST APIFIX API
    1. February 3, 2023 at 5:25 AM UTCinvestigating

      OSL DS undergoing unplanned maintenance that will result in a service outage.

    2. February 3, 2023 at 6:26 AM UTCresolved

      This incident has been resolved.

    OSLDS iRFQ - Unplanned Maintenance

    Started September 19, 2022 at 4:15 AM UTC · 4h 58m

    OutageCritical incident
    Affected components
    REST APIUser Interface
    1. September 19, 2022 at 4:15 AM UTCinvestigating

      OSL undergoing unplanned maintenance that will result in a service outage.

    2. September 19, 2022 at 9:13 AM UTCresolved

      This incident has been resolved.

    OSLDS Exchange - Unplanned Maintenance

    Started September 19, 2022 at 4:14 AM UTC · 4h 57m

    OutageCritical incident
    Affected components
    User InterfaceREST APIFIX API
    1. September 19, 2022 at 4:14 AM UTCinvestigating

      OSL undergoing unplanned maintenance that will result in a service outage.

    2. September 19, 2022 at 9:11 AM UTCresolved

      This incident has been resolved.

    OSL DS Incident - Exchange was down due to issues with Daily Cycle

    Started May 11, 2022 at 11:30 PM UTC · 0m

    Pending
    1. May 12, 2022 at 3:53 AM UTCresolved

      Exchange was down due to issues with Daily Cycle. The issue is resolved.

    OSLDS iRFQ - Unplanned Maintenance

    Started April 6, 2022 at 10:06 AM UTC · 1h 11m

    OutageCritical incident
    Affected components
    User Interface
    1. April 6, 2022 at 10:06 AM UTCinvestigating

      OSLDS undergoing unplanned maintenance on Brokerage that will result in a service outage.

    2. April 6, 2022 at 10:28 AM UTCidentified

      The Issue has been identified at 18:15HKT and a fix is being implemented

    3. April 6, 2022 at 11:00 AM UTCmonitoring

      the fix has been implemented at 18:55 HKT and we are monitoring.

    4. April 6, 2022 at 11:17 AM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unplanned Maintenance

    Started April 3, 2022 at 9:38 AM UTC · 1h 0m

    OutageMajor incident
    1. April 4, 2022 at 3:57 AM UTCresolved

      We are experience issue on v3 Order API.

    OSL Exchange - Unplanned maintenance

    Started February 5, 2022 at 11:30 PM UTC · 0m

    OutageCritical incident
    1. February 8, 2022 at 11:27 AM UTCresolved

      Critical Exchange component issue impacting trading. Impacted trading for 3 hours.

    OSL DS UI Unplanned Maintenance

    Started August 27, 2021 at 9:30 PM UTC · 1h 0m

    OutageCritical incident
    Affected components
    User InterfaceUser Interface
    1. August 27, 2021 at 10:43 PM UTCinvestigating

      OSL DS performing unscheduled maintenance on OSL UI that will result in a service outage. We are working on resolution at the moment , updates to follow.

    2. August 27, 2021 at 10:44 PM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. August 27, 2021 at 10:44 PM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Exchange UI down

    Started August 22, 2021 at 11:51 PM UTC · 36m

    OutageCritical incident
    Affected components
    User Interface
    1. August 22, 2021 at 11:51 PM UTCinvestigating

      We are currently investigating the issue with high priority.

    2. August 23, 2021 at 12:18 AM UTCmonitoring

      A fix has been implemented and we are monitoring the results.

    3. August 23, 2021 at 12:28 AM UTCresolved

      This incident has been resolved.

    The iRFQ is currently down for unscheduled maintenance.

    Started August 22, 2021 at 10:30 AM UTC · 1h 9m

    OutageCritical incident
    Affected components
    REST APIUser Interface
    1. August 22, 2021 at 12:26 PM UTCinvestigating

      Thank you for your patience and understanding during the period of unscheduled maintenance today. We are pleased to inform you that you may access the OSL platform to navigate your account and trade via iRFQ. We apologise for the inconvenience that this may have caused.

    2. August 22, 2021 at 12:28 PM UTCresolved

      This incident has been resolved. We are pleased to inform you that you may access the OSL platform to navigate your account and trade via iRFQ.

    OSL Exchange - Unplanned Maintenance

    Started August 12, 2021 at 7:00 PM UTC · 0m

    Pending
    1. August 12, 2021 at 11:01 PM UTCresolved

      UI and API have intermittently downtime from 3:00am HKT to 5:10am HKT

    OSL DS Exchange - Unplanned Maintenance

    Started April 28, 2021 at 7:44 AM UTC · 1h 0m

    OutageCritical incident
    Affected components
    User InterfaceREST APIFIX APIREST API
    1. May 20, 2021 at 11:53 PM UTCinvestigating

      OSL DS have Unplanned maintenance on OSL DS Exchange that will result in a service outage.

    2. May 20, 2021 at 11:54 PM UTCresolved

      This incident has been resolved.

    OSL DS Exchange - Unplanned Maintenance

    Started April 23, 2021 at 12:39 AM UTC · 2h 11m

    OutageCritical incident
    Affected components
    User Interface
    1. May 21, 2021 at 12:06 AM UTCidentified

      OSL DS have Unplanned maintenance on OSL DS Exchange that will result in a service outage.

    2. May 21, 2021 at 12:07 AM UTCmonitoring

      The OSL has under unscheduled maintenance at 09:45 HKT

    3. May 21, 2021 at 12:08 AM UTCresolved

      Issue has been fixed at 10:45AM HKT

    OSL DS Exchange - Unplanned Maintenance

    Started April 19, 2021 at 4:13 PM UTC · 43m

    OutageMajor incident
    Affected components
    User InterfaceREST APIFIX API
    1. May 21, 2021 at 12:34 AM UTCinvestigating

      The OSL has under unscheduled maintenance at 00:13 HKT on 20th April 2021

    2. May 21, 2021 at 12:35 AM UTCidentified

      The issue has been identified and a fix is being implemented.

    3. May 21, 2021 at 12:36 AM UTCmonitoring

      Maintenance completed and back up and running at around 00:55 HKT on April 20, 2021

    4. May 21, 2021 at 12:37 AM UTCresolved

      This incident has been resolved.