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    Netherlands is closing 19 prisons due to a serious prisoner shortage

    http://www.aei-ideas.org/2013/06/netherlands-is-closing-19-prisons-due-to-a-serious-prisoner-shortage-we-could-the-same-if-we-ended-the-war-on-drugs/
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    Special bracket order-- help requested

    www.ninjatrader.com Contact their support desk if you can't figure it out ... what you request is easy.
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    How do auction markets work?

    LOL ... ... however, while of course I understand you don't mean to imply there’s an exact parallel between vegetable selling (“Five for a pound! Five for a pound!”) and trading securities on an “electronic” exchange, IMO the analogy can be more obscuring than helpful if the...
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    How do auction markets work?

    http://www.amazon.com/books/dp/0470039094 http://www.amazon.com/Trading-Exchanges-Market-Microstructure-Practitioners/dp/0195144708/ref=sr_1_1?s=books&ie=UTF8&qid=1375963120&sr=1-1&keywords=market+microstructure+for+practitioners
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    ES Price Action at night

    It trades outside that range at some point during most overnight sessions ... except on the occasions where the prior close and next open are the high and low of the overnight bar ... which happens very rarely.
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    Global Macro Volatility Arbitrage Strategy

    Do you mean exploiting the difference between actual and implied volatilities? How would this work in this case?
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    EUR/USD start date

    Not sure I'm older or wiser, but here goes ... http://en.wikipedia.org/wiki/History_of_the_euro
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    Activating/Deactivating system

    IMO, entry or exit is a function of the market autocorrelations you're trying to exploit, and of whatever calculations you've made to determine where entries and exits must be to give the strategy the positive expectancy you've targeted. Bet size on the other hand, in my case at least, is a...
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    Managing risk

    I try to avoid trading a size that'll mean I'll have to reduce that size in an extended losing streak. Reducing size when you're down gives you a much bigger hill to climb back up.
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    Writing Robust Trading Code

    IMO it's important to run exactly the same signal code and order generation code in "live" as in backtest, to avoid inadvertently trading something different to the edge identified. But, yes, unfortunately the code for "live" must often have additional complexity and dimensions to deal with...
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    Fooled by Taleb

    George Soros -> skilled or lucky? | Victor Niederhoffer -> unskilled or unlucky?
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    Fooled by Taleb

    I could probably do with re-doing High School stats/maths myself, but is the above correct? For a 1-D random walk on the integer line, of integer steps (i.e. +1, or -1), the expected translation distance after n steps (in lim n -> very large) is sqrroot(2/pi). I can more or less see how...
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    How does a liquidity provider "earn" the spread?

    Let’s say that currently Ask Price = 101 Bid Price = 100 So initial spread is 1. In the above situation, a trader can go long either using a market order, in which case she’ll go long at the Ask (101), or by placing a limit buy order at the bid (100), and waiting to get filled. In...
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    5 minute gap bar strategy

    Not much I understood about the above ... let's say ... "First 5-min bar Opens at 100 (which is also the Low), and Closes at 101 (which is also the High)"... Where does the entry go, and what type of entry is it? Where does the stop go? Thanks
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    Fooled by Taleb

    Do you mean that all edges boil down either to detecting the right moment to trade a continuation, or to detecting the right moment to trade a reversion?
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    Market depth of the ES e-mini futures contract

    Yes, it does look wrong. Thanks!
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    Fooled by Taleb

    But for traders, “certainty” is not the point, IMHO. A trader (i.e. a.k.a. “somebody used to dealing with uncertainty”) can look at a track-record and form a view of the odds that that trader is skilled, and that’s enough for the trader… … but not for the pure logician...
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    Fooled by Taleb

    From a pure logician's standpoint, you can't with certainty from a track record deduce that a given trader is skilled, no matter how stellar that track record is (for the reason given by the previous poster ... there's always the chance that it was down to chance). But if it's any...
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    Market depth of the ES e-mini futures contract

    Here's 20 levels either side for the ES 09-13 book at 01:13 am EST on 11/07/2013 11/07/2013 01:13:16 EST ASK: 0 1666,75 363 1 1667 1342 2 1667,25 478 3 1667,5 532 4 1667,75 242 5 1668 964 6 1668,25 391 7 1668,5 299 8 1668,75 274 9 1669 629 10 1668,75 445 11 1668,5...
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    is IB's market connection outrage this morning

    It's 08:47 EST, and I have no issues with IB data feed.
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