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T+1 is Live. T+0 Is the Signal

T+1 is Live. T+0 Is the Signal
2:15

T+1 is now live across North America, with Europe and the UK targeting 2027 for their transition. While this marks a major industry milestone, the important question becomes whether firms have post-trade workflows designed to operate in a much shorter settlement window.

And that question is becoming more urgent. There is no formal T+0 timeline in the US, but the conversation is underway, and certain US instruments already settle on a same-day basis. Other markets, including India and South Korea, offer optional T+0 equity settlement, and industry groups continue to explore what near real-time settlement would require. Whether firms feel prepared or not, the shift is happening. Settlement windows are shrinking.

Trade settlement rarely draws attention when it works well, but it has a meaningful impact on risk, cost, and operational control. Shortened cycles dramatically reduce the time available to resolve exceptions. Late allocations, delayed affirmations, outdated SSIs, and manual follow-ups that were once manageable can now quickly lead to settlement fails, funding stress, and financial penalties.

What used to be reconciled tomorrow now must be right today. Settlement compression isn’t simply a technology challenge. It’s a test of operational discipline.

Firms that succeed will be those with strong data governance, clear ownership across post-trade workflows, and automation that supports early validation rather than downstream repair. Those that rely on institutional knowledge and manual intervention will feel the pressure first.

Preparing for shorter settlement cycles doesn’t require waiting for a T+0 mandate. It starts with asking the right questions:

  • Where do manual touchpoints still exist in post-trade workflows?
  • How early are allocations, affirmations, and SSIs truly validated?
  • How quickly are exceptions identified, routed, and resolved?
  • Are funding and liquidity processes aligned to tighter cutoffs?

T+1 was a milestone. T+0 is a signal.

Firms that use this moment to strengthen post-trade workflows, improve data quality, and tighten operational controls now will be better positioned for what comes next.