US-EU Settlement Mismatch Impact Estimator

Quantify the annual operational cost of the US T+1 vs EU T+2 settlement cycle mismatch for cross-border broker-dealers and custodians. Models failed trade costs and penalties, pre-funding/repo cost, FX exposure window, and affirmation deadline conflicts. Includes EU T+1 (2027) savings projection.

T+1 vs T+2 Post-Trade Cross-Border Zero PII Client-Side

Scope & reliance — 🔒 All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only. Cost estimates are modelled approximations using user-supplied parameters. Actual costs depend on specific firm operations, custodian arrangements, and market conditions. Reference rates are illustrative. Not financial advice. Verify against firm-specific data before using in business cases. Deterministic logic · no inference · zero PII · CC BY 4.0.

Settlement Cycle Context — US: T+1 since 28 May 2024 (SEC release 34-96930). EU/UK/Switzerland: T+2 (CSDR). EU has targeted T+1 by 2027 per ESMA T+1 report (November 2024). This creates a structural mismatch: a US equity purchased by a European custodian settles US-side in 1 business day but the European leg isn't due for 2 days — creating pre-funding requirements, FX exposure, and elevated fail risk.

Cross-Border Portfolio Profile

Average Daily Cross-Border Transaction Volume ($M)

Average Trade Size ($)

% of Volume with EU/UK Custodian/Investor Counterparty

Current Trade Affirmation Rate Before DTC Cutoff (% affirmed)

Current Settlement Fail Rate (% of cross-border trades)

Average Days to Resolve a Failed Trade

Cost Parameters

Settlement Fail Penalty Rate (basis points per day)

Pre-Funding / Repo Rate (% per annum)

Operational Cost Per Failed Trade ($)

FX Spread / Conversion Cost (% per transaction)

% of Cross-Border Volume Requiring FX Conversion

Cost to Remediate Each Late-Affirmed Trade ($)