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    Python or C++

    Both are general purpose languages, but whichever of them has the best-fit libraries, your personal preference and wether you anticipate requiring optimal execution (then C might be even more applicable). Have landed on Golang myself, but use float64 as I don't want slowdowns and can live with...
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    Visualizing the Jobs Lost to Automation

    Without humans you can cut costs on teaching and nursing. It's way more efficient!
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    Best Scalping Indicators

    Sharpe ratio is quite good start though and proven. Frankly, my best attempt at long-term don't beat the very very best funds, so beginning to think more short-term gains may be key. In my book, it's not enough to get a return, but cost-effective returns for both the investments and risks. So...
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    Forget About Fake News...Let’s Talk About Fake Markets

    Without regulation, manipulation, circuit-breakers and all that jazz, markets won't function properly. Self-regulation is a myth and prone to prisoner's dilemma and tragedy of the commons. Besides, capitalism has always been converging towards socialism, this is nothing new. What's new, and also...
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    What had trading done for and to you?

    It may mean something else for you. For me, good patience is having the guts to stay in a trade and not cut it too short. Bad patience is staying with a loser for too long. It sounds very easy, but once you're in a trade, all feelings scream that you want to get out, while out, you get FOMO. So...
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    Trump's budget.

    Well, everyone should just have their own ambulance, fire department, police and army. Those lazy bums who can't work their way up to that little, belong in the gutter.
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    What had trading done for and to you?

    Trading has taught me the difference between good patience and bad patience.
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    The Plunge Protection Team real?

    Something happened in 2009, reflected in all the charts. Agency MBS Historical Operational Results and Planned Purchase Amounts https://www.newyorkfed.org/markets/ambs/ambs_schedule.html Can't find any selling here..
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    C++ price type to properly deal with rounding error?

    Ok, design for those use cases then, not more! :D
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    C++ price type to properly deal with rounding error?

    Your problem is the above. "Getting it right the first time" depends on what usage you need. If you need to sort numbers, maybe int64 will be OK for you, given some limitations. Or maybe int64 + last int64 for exponent part (forgoing unlimited precision and numerical range)? What limitations...
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    Talk about panic selling. Brazil ETF down 13% premarket

    Low volatility has never been a guarantee against sudden high volatility, ref. August 2011. 2008-2009 is almost trivial to backtest (when buying new highs) compared to ca. 2010-2012.. When "fixing" 2008-2009, you inevitably gain some problems in the 2010-2012 area or thereabouts, in almost all...
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    C++ price type to properly deal with rounding error?

    Depends on your usage of those numbers. Have you created bounded contexts and done some DDD (domain driven design)? From experience you should know when you'd want to use floats, and when not to. You don't need to use the same formats everywhere, though if it's fast and convenient enough, you...
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    Yahoo Historical Data - Did they change the URL recently?

    Ninjatrader's Yahoo Finance APIs don't work either, leaving people trading European markets without a datafeed on NT.
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    What are the current limits of artificial intelligence? & their weaknesses

    "However, to address obsolescence concerns, the floppy drives are scheduled to be replaced with Secure Digital devices by the end of 2017. Modernization across the entire Nuclear Command, Control, and Communications (NC3) enterprise remains ongoing." The problem is, these "Secure Digital...
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    What are the current limits of artificial intelligence? & their weaknesses

    One of too many times being too close to nuclear war: "While being depth-charged to the surface, the submarine’s captain and the political officer voted to fire their [nuclear] torpedo at a United States Navy target. The third officer, Second Captain Vasili A. Arkhipov, voted nay. This...
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    What are the current limits of artificial intelligence? & their weaknesses

    If the powers that be decides to, they can irreversably devastate the world in 30 minutes. We live when the rational choice is to not destroy the world, and because of nothing else. As for modern markets, the more "sophisticated" they become, the more circuit breakers they require at all...
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    Getting dividend yields for all NYSE stocks

    You get some numbers through Yahoo Finance web-api: http://www.jarloo.com/yahoo_finance/ Dividends y: Dividend Yield d: Dividend per Share r1: Dividend Pay Date q: Ex-Dividend Date Not very certain how accurate or current these numbers are.
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    Post Of The Day

    On exiting / looking for exits :wtf::caution::fistbump::banghead::confused::vomit:o_O https://elitetrader.com/et/threads/cutting-winners-problem.309297/page-2#post-4453637
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    Cutting Winners Problem

    Never exit a trade manually, always utilize a stop with a price-range of accepted cost of transaction (paying the spread / volatility / even lack of liquidity) You can do the same for purchases, thus buying on strength Never set a stoploss where it is likely bullish price action can stop you...
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    Post Of The Day

    Extremely simple system https://elitetrader.com/et/threads/simple-profitable-method.76297/
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