Depository Trust Company Restricts Terminal Access to Bots Only No Humans
Published Date: 1/28/2026
Notice
Summary
The Depository Trust Company (DTC) is updating its rules to only allow automated bots and robotic systems to access its Participant Terminal System (PTS), cutting out human users. This change affects all DTC participants who use PTS and takes effect immediately, aiming to boost security and efficiency. No new fees are mentioned, but users should adjust their access methods right away.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
PTS Access Restricted to Bots Only
DTC updated its procedures to limit access to the Participant Terminal System (PTS) to automated non-human personas only (for example, automated bots and robotic process automation identities). The update states human user access via PTS will no longer be supported and Participants must ensure any human access is conducted through other interfaces such as the DTCC Mainframe Portal or MyDTCC.
Implementation Deadline and Transition Period
DTC will implement the change by March 31, 2026 and will announce the specific date by Important Notice at least 14 business days beforehand. After implementation, DTC will not permit any new human personas on PTS and will begin transitioning existing human personas off PTS, a process DTC anticipates may take several months; automated non-human personas will continue to be allowed temporarily to enable transitions.
Human Users Must Use DTCC Portals
DTC directs Participants to use alternative interfaces for human access—specifically the DTCC Mainframe Portal or MyDTCC—because PTS will no longer support human personas. DTC states that all services and functions available via PTS are also available via another DTC interface.
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