ART-77 · Wave 17 · Settlement Discipline · T+1 Readiness

T+1 Settlement Readiness Diagnostic

Scores readiness across 6 settlement dimensions against the dual EU/UK/CH deadlines: allocation/confirmation timing rules binding Dec 2026 and coordinated T+1 go-live 11 Oct 2027. Maps gaps to priority remediation chains. Decision-support draft.

Dec 2026 — Allocation/confirmation 23:00 CET binding 11 Oct 2027 — EU/UK/CH T+1 go-live Verify CSDR Refit/RTS still finalising

✅ DUAL DEADLINES: Allocation/confirmation timing rules (23:00 CET trade-date, machine-readable formats) binding DEC 2026. Coordinated EU/UK/CH T+1 go-live 11 OCT 2027 (CSDR amending text OJ 14 Oct 2025; UK-AST; Swiss SSPTC). Verify current CSDR Refit final text and ESMA RTS.

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Firm profile

ScopeJurisdiction(s)

FirmFirm type

Settlement process readiness

Dec 2026Allocation / confirmation timing

~30% of failsSSI automation

STPMatching method

FXFX funding / compression readiness

CACorporate actions readiness

CSDRPenalty exposure monitoring

CSDRPartial settlement enabled

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Overall T+1 readiness grade

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Deadline status

Gap checklist

Dimension scores

Primary recommendation

OpenChainGraph v0.4 artifact · execution_hash:

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