How Does ‘Last Look’ Affect the Latency Requirements for a Trader on an RFQ Platform?

'Last look' significantly increases the latency requirements for the quote provider. They must have ultra-low latency systems to process the incoming execution request, check their current inventory and risk exposure, and make a 'last look' decision within milliseconds.

This rapid check is essential to prevent being adversely selected by a counterparty who might be exploiting a stale price.