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Jul 10 '13 at 2:33 comment added GuLearn I guess what @asianskills meant was even in HFT with all directed orders, one should not be frequently canceling orders. However, modifying orders is inevitable
Apr 21 '13 at 14:14 comment added Louis Marascio You can't use directed orders with the cost plus plan. If you're not directing your orders, you're not a high frequency trader.
Apr 21 '13 at 8:11 comment added Pam You need to use the "cost plus" plan. And actually trade.
Apr 15 '13 at 20:53 comment added Louis Marascio Sorry, you've apparently missed the point entirely. Please re-read my answer. IB imposes significant fees and restrictions on directed orders. If you're using SMART, you're not a high-frequency trader.
Apr 15 '13 at 20:36 comment added asianskills If one is not quote stuffing, IB API are fine. One can have trades which last less than half second or even less (I execute (receive the fill even back) normally from overseas in 50 milisecs from home). If someone's doing something quicker than that to me is quote stuffing. Each cancellation must be accounted for when colocated (Exchange rules), and even the process of waiting for a cancellation confirmation and recording a cancellation would take some time. So for any kind of meaningful trading IB API are fine. The rest is mostly non sense and legends spread by people who do only backtesting.
Apr 15 '13 at 11:29 comment added Louis Marascio Who said anything about quote stuffing?
Apr 15 '13 at 9:01 comment added Pam Do not make confusion about quote stuffing and trading. Quick trades are fine with IB (even about half second). If we are talking of quote stuffing that is an abusive practice which is being banned by all exchanges, and there are fines up to $1M for such (nonsense and NON profitable) actions which are bordering a DOS attack. See this group for more info too: linkedin.com/groups/…
Feb 5 '13 at 14:44 history edited Louis Marascio CC BY-SA 3.0
momentary -> monetary
Sep 8 '11 at 12:09 history edited Louis Marascio CC BY-SA 3.0
spelling
Sep 8 '11 at 11:20 history answered Louis Marascio CC BY-SA 3.0