The job: Unmatched trades, SSI mismatches and settlement fails pile up in queues and emails. With UK T+1 coming, there is less time to fix them.
What AI actually does here
- Reads exception messages and emails and classifies the issue (for example missing SSI, quantity or price mismatch, insufficient securities or cash).
- Prioritises by value, settlement date and counterparty.
- Drafts chasers and internal escalation notes for an operator to send.
Tools to look at
- Post-trade and exception management platforms (check current AI capability with vendors)
- Workflow automation with AI classification steps
- Firm-approved AI assistants for drafting
Named tools are examples, not endorsements. We have no paid relationships with them at the moment; see our disclosure.
What you need first
- Awareness of the timeline: the UK government has committed to move to T+1 settlement on 11 October 2027 (GOV.UK, FCA).
- Structured access to exception data, plus agreed exception categories.
- Human approval before anything is sent to counterparties, and full audit logs.
How to measure ROI
- Time from exception raised to resolved.
- Settlement fail rate and the costs of fails (funding, claims, buy-in risk).
- Operator hours per day spent reading and chasing.
- Time saved only counts if it’s redeployed or avoids extra headcount for T+1.
Run the numbers in the ROI calculator →
What the evidence says
UK move to T+1 on 11 October 2027 confirmed by HM Treasury; the FCA says firms should be changing systems and processes in 2026.
Ready-to-use prompt
Replace the [BRACKETS]. Only paste data you’re allowed to share with the tool you’re using.
View promptYou are assisting a settlements operator. Data below is ANONYMISED.
You are assisting a settlements operator. Data below is ANONYMISED.
EXCEPTIONS:
"""
[paste: ref | trade date | settle date | counterparty | ISIN | qty | amount | status message]
"""
CATEGORIES: SSI mismatch, quantity mismatch, price/amount mismatch, unmatched/missing instruction, insufficient securities, insufficient cash, other.
1. Classify each exception with a one-line reason and confidence.
2. Rank them by urgency (settle date, then value).
3. For the top 5, draft a short, polite chaser email to the counterparty asking for the specific missing or mismatched detail.
Do not invent any data. Flag gaps.Sources
- GOV.UK, "Accelerated Settlement (T+1)" Government publication
- FCA, "About T+1 settlement" Regulator page
- Bank of England and FCA, "Artificial intelligence in UK financial services – 2024" Regulator survey
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