Quote from atticus:
IB will guarantee marketable LMT orders.
i think the problem is that when you put in a LMT order to buy say 1000 shares at 80.00 and offer is 500@79.99 and then 300@80.00 and then 500@80.01 you do not get a 100% fill (only 800) while the second leg may fill 100%; so you unintentionally run overall delta risk.
Or is there a way to avoid this?
