FMX UST
FMX UST (formerly Fenics UST) is BGC's electronic trading venue for U.S. Treasuries. Connectivity is a "point-to-point service based on industry standards TCP/IP and the FIX Protocol." Supports FIX 4.4 with selected FIX 5.0 tags; proprietary BOP (Binary Order Protocol) over TCP for order entry; BIMP (Binary Market Data Protocol) over multicast for market data; Drop Copy and STP services. Order book depth of 10 price levels in increments of 1/16 of a 32nd.