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    Value of Backtesting and Stops

    Instead of using a automated stops on individual positions I use a portfolio approach. If the whole portfolio of longs and shorts is experiencing a draw down of X% or X dollars automatically bailout of all positions.
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    Regular hours limit orders on IB that will participate in the opening cross

    NYSE does not pass on a specialist bill to your clearing firm for limit orders filled on the openning print. So you may ask why your execution is gettng charged as billable.
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    Market order vs "Marketable" limit order

    In reference to NYSE if the book gets frozen a limit order priced through the market (marketable) and a market order will get the same price. The limit order priced through will get a price improvement. BUT that will / is changing ! The book will be frozen less often and limit orders priced...
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    Automated Trading

    How's about putting together a flow chart accounting for every case ? 98% of development is spent flushing out business logic. Very little is spent actually hammering on keys. If you put together all the business logic the coding part is easy. Most people I work with if they code with easy...
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    Market order vs "Marketable" limit order

    Market orders directed to NYSE specialist take longer to process than a marketable limit order This is not an issue for ECN's that accept market orders. As NYSE gets more and more automated in its matching process this difference will become null.
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    Algorithmic Trading

    Traders are simply changing their mode of operation. Instead of clicking buy and sell on their hot list of stocks they are running algorithms and tweaking parameters. ....greg
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