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When using IB API, do you use public void execDetails(int reqId, Contract contract, Execution execution) or public void orderStatus(int orderId, String status, int filled, int remaining, double avgFillPrice, int permId, int parentId, double lastFillPrice, int clientId, String whyHeld)...

Dloyer, How fast do you trade? My idea was to get rid of padre handling and focus on position handling... Once and forever!

Order placing is materialisation of the superposition of many many strategies...they may not agree all the time... Quite opposite ... The timing or signals may also be very different!

LeeD, What do you mean by move the position? If I mach locally, then both strategies trade but there is a live order outstanding.... in the real world... to cancel it?

killthesunshine, I missed your point?! completely...

Hmm it would be something like... 1. Strategy A is short, it placed buy order to cover at 100 (order O1) 2. Strategy B is long, it placed sell order to close at 100 (order O2) Strategy A placed the order first, so if B places the order it would result in self trading. 3. Simulate...

actually, I run a portfolio of strategies... I like your local execution idea

Especially in high frequency trading, you may have a situation where you have a buy limit order @ $100, but a split of the second later, you place a sell limit order @ $100. Your order would cross, and the exchanges complain about that... some brokers as well. How do you deal with this...

syswizard, you are 100% right!

Gekko, I paid to a professional programmer with 10 years exp... who charged an arm and a leg... for a half finished project...with bugs... this is dangerous territory!

Maestro, You puzzled me big time! Is it really synchronous ? What do you mean by this

Guys what about doing a hybrid solution... Opening up the base I got so far AND hiring one guy to work an a open source project? If all goes well, I get free testers and potentially one (in effective terms) developer for free? Volonteurs... I'm looking at you Emilio ;)

Interesting ! Where Do you outsource? Would you recommend someone?

is it faster? more reliable? on the higher/lower level than native API? easier to work with? any other experiences?

Thanks Maestro... I know about FIX...never used it thou... but it's still not clear to me why it is superior... a simple comparison from the one with experience would be great help... thanks

Heech, What languages ninja api supports?

Maestro, Can you be a little bit more specific? I have No expirience with fix? Thanks

Ok guys... Let's open up the cards... I already engaged with a programmer who got the money but the product is half finished.... Im not happy at all. Now I'm considering two options. a) open up the code (two months work) and found a open source project. And hope that hood programmers may...

Never considered... In fairness never heard that ninja supports API.... Are there some Apis for IB on higher level than order.... I.E. positions... All I need is open position, close position so start with... The higher level API should take care of orders... My idea is then to have...

Me too. I was also expecting a discussion on high level applicstion design.... Anyway