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Allocation ACK (P)

Meaning

An Allocation ACK (P), referencing the FIX protocol’s Allocation Acknowledgment message type, is a confirmation signal transmitted by a recipient, such as a clearing firm or custodian, back to the sender, like a trading desk, after processing an Allocation (J) Message. Its purpose is to verify the successful reception and processing of allocation instructions. This acknowledgment confirms data integrity and procedural completion within the post-trade workflow.