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DTCC’s NSCC to Extend Clearing Hours to Support Overnight Trading by 2026

19 March 2025
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The Depository Trust & Clearing Corporation (DTCC) has announced that its subsidiary, the National Securities Clearing Corporation (NSCC), will extend clearing hours to support overnight trading, with implementation targeted for Q2 2026, pending regulatory approval. The expansion aims to enhance liquidity and reduce counterparty risk by applying NSCC’s central counterparty guarantee to global overnight activity.

This initiative builds on NSCC’s September 2024 phase 1 implementation, which allowed trade submissions starting at 1:30 AM ET, 2.5 hours earlier than before. Under phase 2, NSCC will operate 24×5, from Sunday 8:00 PM ET to Friday 8:00 PM ET, accommodating Alternative Trading Systems (ATS) and exchanges. NSCC is collaborating with SIFMA, regulators, and market participants to align extended trading hours across ATS and exchange providers while addressing post-trade process adjustments.

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