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1) Spurious autocorrelation of non-synchronous trading data was analyzed in this article: http://www.amazon.com/An-econometric-analysis-nonsynchronous-trading/dp/1245789457 During some time intervals a lot of trades occur and during some nothing happens(so prices are stale). So serial correlation of traded prices may be present but this may be due to stale ...


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Every match that hits the tape from the perspective of displayed ECNs is a market order matched with a limit order. You can think of this in terms of makers and takers. If I want to buy MSFT at 51.00 and post a limit for that price 3 microseconds before you post your limit to sell at 51.00 then I am the maker and you are the taker. And your sell order will ...


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You'll want the ibrokers package, its very good and built on the c++ api. Also check out quantmod, performanceanalytics, quantstrat, and highfrequency package.



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