The International Organization of Securities Commissions (IOSCO) has issued its final report on post trade risk reduction services (PTRRS), offering guidance to its members and regulated users. The report, which incorporates feedback from a January 2024 public consultation, outlines potential policy considerations and risks associated with PTRRS. It presents seven sound practices addressing key areas of concern, including algorithm transparency, operational risk management, data security, legal certainty, counterparty risk, market competition, and process standardisation.