Recent content by hey825

MoMoney, thanks for typing these information. I know the sythetic relationship of the calls vs the puts position, but I don't know how IB is going to margin the calls (I mean affecting buying power) in this case, since IB does not calculate margin using the same risk profile as TOS does (as I...

It is credit fly, just like qqqq 38/39/41 calls at +1/-2/+1 as an example. TOS would only charge margin on the 40/41 short vertical, but IB treats this as 39/41 vertical on margin. I think IB and FBI should be ranked at the same level as "diffifulty in talking with". yes, you are right, it...

for ndx 1425/1475/1500 butterfly charges about $5000/spread on margin. IB is pretty stubbon and has no plan to change this. For the same position, TOS only charges $2500, half of IB amount.