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    Various account info in ToS

    Stock settlement is T+2 as of Sept 2017: https://www.sec.gov/news/press-release/2017-68-0
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    Coin flip study

    Using a long trade as an example, the buy price will be the open price for the day. For an actual trade we would set a stop loss equal to this price minus 0.5*ATR. For the backtest we know the low of the day. If the low of the day is lower than the stop loss price then we know that the sell...
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    Coin flip study

    The coin flips will not converge since it's a random sequence. The overall performance depends on the correlation between the random coin flip sequence and the daily price movements of the index. The only way to determine expected performance is to do a statistical analysis. You will never...
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    Coin flip study

    I do like the idea. Not sure why all the animosity.....probably because you (digitalnomad) put it out there saying you weren't going to test it. Now that you've bellied up to the bar it may tame the responses somewhat. Anyway, I don't think the performance is as clear cut as many might think...
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    Question about yahoo stock charts

    The price briefly hit $51.40 at 9:36am. If you had a limit order in at $51.50 there's a good chance it would have been filled. I've had limit orders in situations like this before.....some of them filled, some of them didn't. Depends on the market conditions at the time and how many shares...
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    Losing Money Is The Worst

    Be thankful you didn't get filled @ 6:30am for $7.38.
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    Switching to lite

    IB needs to pay for zero commission somehow. If they are selling the order book then the retail investor is going to lose in some way.....poor fills, lack of execution, etc. I would rather pay $1 to get more predictable and better trades. If you're trading highly liquid, high priced stocks...
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    Best Python Framework for IB

    I use my backtesting software to generate signals for my automated trading. This way I can synchronize my actual trades with the backtest and I can get a very accurate picture of performance and trade execution. My backtest engine is custom C# code that generates a trade signal file. The...
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    What Happened to INR (the ETF)?

    https://finance.yahoo.com/news/why-indian-rupee-etn-soared-172405426.html INR is an ETN (not an ETF) and is currently trading at over a 100% premium to its NAV.
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    TWS and back-test

    I use IB for two reasons: Low commissions API for automated trading I really hate their charting and their interface in general. I would never use it for backtesting. For backtesting: www.amibroker.com www.portfolioboss.com For strategy development (with options) the ThinkOrSwim interface...
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    Executing order at a 'specific time'...

    ThinkOrSwim offers a number of complex order rules including submit order at a specific time and cancel order at a specific time.
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    "Data Powered by GFIS"

    Doesn't look like it. If GFI Group is the company you're referring to they are part of BGC Partners (NASDAQ: BGCP). http://www.gfigroup.com/investor-relations/
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    Trading Opening Auction at ThinkOrSwim?

    According to ToS support they currently only support Market-On-Close and Limit-On-Close. Doing a market order before the open doesn't guarantee that you get the auction price. I think if you requested they add MOO they probably would. Based on what I've read the rules for MOO are now more...
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    Exit is more important than entries

    Don't kid yourself.....entry and exit are equally important. Any slippage, commissions, etc. eat directly into your profit. I run a fully automated strategy so I use very specific rules for entry and exit. Trading highly liquid stocks I'm able to reduce slippage to near zero doing this and...
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