The Trade Desk - Trading Stopped with VIOOH

Update timeline

1. investigating Feb 25, 2026, 04:21 PM UTC

   Incident Summary VIOOH Operations has been made aware that after a routine change that The Trade Desk made they stopped trading with VIOOH. The Trade Desk has rolled back their change and trading has restarted. Impact start time: 14:00 UTC Impact end time: 16:10 UTC A prolonged period was required by TTD to rollback the change made on their platform. Next Actions - VIOOH operations are in contact with the DSP at this time. - VIOOH teams will be actively monitoring trades with The Trade Desk, to ensure we are back to normal operations Next Update Wednesday 25th February 17:30

2. investigating Feb 25, 2026, 05:24 PM UTC

   Incident Summary VIOOH Operations has been made aware that after a routine change that The Trade Desk made they stopped trading with VIOOH. The Trade Desk has rolled back their change and trading has restarted. Impact start time: 14:00 UTC Impact end time: 16:10 UTC A prolonged period was required by TTD to rollback the change made on their platform. Incident Update Trading has restarted since ~16:10 UTC and VIOOH are continuing to see increase in trading response and auction wins. Next Actions VIOOH Operations are continuing live monitoring activities at this time, and remain in contact with the DSP to confirm the service health and performance of their platform. Next Update Wednesday 25th February 19:00

3. investigating Feb 25, 2026, 06:30 PM UTC

   Incident Summary VIOOH Operations has been made aware that after a routine change that The Trade Desk made they stopped trading with VIOOH. The Trade Desk has rolled back their change and trading has restarted. Impact start time: 14:00 UTC Impact end time: 16:10 UTC A prolonged period was required by TTD to rollback the change made on their platform. Incident Update Trading restarted from ~16:10 UTC and VIOOH are continuing to see increase in trading response and auction wins. VIOOH is awaiting confirmation from The Trade Desk that all performance and monitoring checks have been completed on their side. Next Actions VIOOH Operations are continuing live monitoring activities at this time, and remain in contact with the DSP to confirm the service health and performance of their platform. Next Update Wednesday 25th February 2026, 21:00 UTC

4. resolved Feb 25, 2026, 09:07 PM UTC

   Incident Summary VIOOH Operations was made aware that after a routine change that DSP, The Trade Desk, made trading stopped with VIOOH. The Trade Desk rolled back their change and trading restarted. Impact start time: 14:00 UTC Impact end time: 16:10 UTC A prolonged period was required by The Trade Desk to rollback the change made on their platform. Incident Update Trading restarted from ~16:10 UTC and VIOOH continued to observe a steady increase in trading response and auction wins throughout a ~4 hour period. A series of monitoring checks and activities were conducted by VIOOH and The Trade Desk. Expected level of VIOOH Trading with The Trade Desk has resumed from approx. 20:10 UTC. No further updates required to be shared on this investigation. VIOOH will continue to work with The Trade Desk to properly examine the failure they experienced, and understand all the future mitigation actions to mitigate the risk of a future reoccurrence. If you have any questions, please contact us via the VIOOH Client Support Portal.