C c*f(x) Jan 14, 2008 #1 Is it possible to enter a 2/10 combo on futures (ZT and ZN are what I have been using) within IB? Whenever I try to put a market line in for it, the thing gives me the Heisman. Will it not let you enter a combo if the underlyings are different. Agh.
Is it possible to enter a 2/10 combo on futures (ZT and ZN are what I have been using) within IB? Whenever I try to put a market line in for it, the thing gives me the Heisman. Will it not let you enter a combo if the underlyings are different. Agh.