Report on the transaction dataset for SWESTR (Sveriges Riksbank)

Summary

• On 2026-09-07, a retrospective change in the transaction dataset had an absolute impact on SWESTR between 0.1 and 0.5 basis points.p.1
• Transactions with volume under 100 MSEK accounted for 6 per cent of the total dataset.p.3
• The report captures all instances where absolute changes to the SWESTR value exceed 0.1 basis point, equal to 0.001 percentage points.p.4

Key insights

1. Subsequent data changes by reporters caused one error impacting SWESTR by 0.1 to 0.5 basis points on 2026-09-07.p.1
2. Banks constitute the largest counterparty segment in the SWESTR underlying volume at 53 per cent.p.2
3. Transactions smaller than 100 MSEK represent the smallest transaction size segment at 6 per cent.p.3
4. Riksbank categorizes dataset changes into late reporting or validation, subsequently changed data, and administrative errors.p.4
5. Counterparty classifications in the report follow the European System of Accounts (ESA2010) standards.p.5