yeah - if you place two market orders with two different brokers, you will get two different results. so what? use a limit order. with all the electronic routin

yeah - if you place two market orders with two different brokers, you will get two different results. so what? use a limit order. with all the electronic routing that markets have nowadays, I would be surprised if retail brokerages differed that much in their ability to execute a limit order in the same set of market conditions.