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    what is a "bot" ?

    "bot" may be short for robot. In trading it is just a machine that trades based on an algorithm.
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    Swaps/Rollover Interest in Futures???

    Don't know about currency futures, but it is possible to make the premium, or more, in index futures. To make money on the premium (s&p 500 emini) : if you sell when the premium is about 12 points/contract ($600) and at expiry the price of the basket (s&p 500) has increased less than 12 points...
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    Can someone explain this track record?

    Different people may base their percentage return on different things. Some may use % of margin. Others may do it differently. The most realistic number may be percentage of account size, so someone with a 10K acct. that gains 20% made 2000.
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    Audible/Visual Siren attached to PC

    Schematically, it looks like: 12 volts ----- relay ----- strobe If you think of the relay as a switch that is normally open, then closing it gets juice to the strobe.
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    Audible/Visual Siren attached to PC

    google for "digital i/o" What you may want is a pci board that can drive a relay. Since that strobe runs on 12 VDC, the 12 volts could be wired to the relay (normally open), then when some event occurred, you would close the relay via the pci board, which would get the 12 volts to the strobe...
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    Technical Question on Being Long in SUNW

    It looks like the last close was right around the upper channel line. The only other thing that's apparent is that it looks like price price recoiled from higher prices two days ago and recoiled from lower prices today (last day). In or out? I don't know, but it looks like there is some recent...
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    Technical Question on Being Long in SUNW

    Your chart is hard to see, but I think that if you redraw the upper channel line a little (reduce its slope) you'll find that it has closed outside the channel for two days.
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    of terrorism, risk management, and the scalping question

    Suppose you take the short only strategy, then the fed announces a surprise rate cut or bin laden is captured? "ibm $99.71 x$99" ??? Why not sell at $99.71 and buy at $99, over & over?
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    Straight Lines?

    Because the participants don't agree about which straight line it should move on?
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    Nikkei 225

    Lately the yen/usd has been creeping up -- about 120.5/1. That can be a concern, because at some point I want to repatriate my profits. The dollar denominated contract doesn't appear to have much volume. The Singapore contract isn't fungible with the Chicago contract on IB -- don't know why --...
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    What about this system?

    "It seems like an idiot can do this..." I think so. But you have to know where support and resistance are in the timeframe that you're trading.
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    Trading bot construction (IB)

    Maybe the best solution is to exit at a random time unless either the stop loss or profit target has been reached before the random exit time arrives. That would make treatment of stop/profit targets consistent.
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    Trading bot construction (IB)

    Something that syswizard mentioned about random entries, then exits at fixed profit/loss points got me thinking. Maybe a random bot should exit at a random time, just to be consistent with its entry at a random time. But I don't want to give up a stop loss order. Maybe it could exit at a random...
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    Trading bot construction (IB)

    MGJ: Thanks for the info. I should probably read an intro. statistics book. maxpi: I hope to do more than a random trading bot. That's just a start. I am a DIYer. I'd like to use tradestation, but there are months when I don't trade, so IB's $10 data fee is a lot less than the tradestation...
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    Trading bot construction (IB)

    syswizard: what I hope for is a trading record for a random bot that I can compare the record of a smart bot, or even my manual trading, against. I wonder whether my trading is no better than random trading with a little luck.
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    Trading bot construction (IB)

    Dazuni and kiwi_trader: those are good points about random number generators. Some of them generate the same sequence of numbers, over and over. It is something that will have to be considered.
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    Trading bot construction (IB)

    MGJ: Suppose the ten estimates are: 0 1 1 1 0 0 0 1 0 1 where a '0' represents N trades that were not profitable and a '1' represents N trades that were profitable. All ten estimates aren't equal: some are '0', some are '1'. Is that the right way to consider the equality of estimates...
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    Trading bot construction (IB)

    walterjennings: yes, faster is better -- in my opinion. Anyway, here's what I do to run the out-of-the-box API: start the TWS papertrading account configure->api (check "Enable ActiveX and Socket Clients") java -jar jtsclient.jar A GUI labeled "Sample" should appear. It has three...
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    Trading bot construction (IB)

    I did try to run the unixmac jar on windows and it does work. jb3: yes, I do programming. Java is new to me, so it is also an opportunity to learn something about it. tradermojo: thanks for the links. I have looked at the yahoo twsapi group and did find a thread about OCA/bracket orders...
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    Trading bot construction (IB)

    The Java API can be downloaded from http://www.interactivebrokers.com/en/control/apicontrol.php?ib_entity= Either the mac or unix file can be downloaded, they are probably the same, and I would be surprised if that same file can't be used on Windows (correct me if I'm wrong). Its name is...
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