Abstract: A financial trading system that includes a trading server, multiple financial exchanges, and multiple servers with each server associated with and co-located at an exchange and comprising a high accuracy clock. The trading server divides a large transaction order into multiple smaller transaction orders and combines each smaller transaction order with a transaction execution time. The trading server sends a financial trade instruction based on each combined smaller transaction order and transaction execution time to each co-located server. When the high accuracy clock on each server reaches the transaction execution time, all the servers submit their smaller transaction orders to the respective financial exchanges substantially simultaneously.