Sigma Oder Routing

Discussion in 'Order Execution' started by tito, Mar 14, 2007.

  1. tito


    I plan to start trading Nasdaq stocks and my broker's software (REDI) has the SIGMA routing for Nasdaq stocks. Question is: does Sigma work like a smart swipe, wherein it sweeps all orders up to my limit price? Does it work better than Arca?
    Thanks in advance.