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    which brokers offer more than 4x daytrading buying power?

    FYI: They also set limits for the most you can have in one stock. The probability of your account going negative before they can find liquidity to sell is greater if it's all in one stock.
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    Do you operate a Hedge Fund at an online broker and were told to leave?

    Why might someone be told to leave? Asking so that I know "the rules".
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    The Night Effect

    On any week without a holiday normal trading hours are only 19.34% of the week. Stock investors are simply checking infrequently to see what the value of their assets are. The people working hard to propel the growth in asset values work on a much wider range of hours. So it would be weird if...
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    Shorting TWTR

    Except that he signed a contract doing exactly that. He doesn't always tell you the truth but he's probably not dumb enough to sign agreements when he doesn't mean it.
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    Shorting TWTR

    8% is not a measure of risk. That's just a measure of your likely max loss. What you really want to know is the risk that your trading strategy has not put the odds in your favor because in the end that's what will eat away at your wealth if not managed very carefully.
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    So, I think I just created some stock option ALPHA for you guys...

    All that matters is whether or not you have put the odds in your favor. The link to that paper I posted shows no such thing. You may want to read it carefully before you consider it to be something that supports your money making goldmine.
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    So, I think I just created some stock option ALPHA for you guys...

    It won't simply churn out money. It's informative to study things like this but your real money making strategy will be something different. https://www.math.nyu.edu/~avellane/Lecture10Quant.pdf and this https://blog.quantinsti.com/dispersion-strategy-correlation-stocks-volatility-index/
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    Shorting TWTR

    The correct context is that the market has priced the risk of the deal not closing at X. If you think the market is wrong then you can certainly place your bet. "low risk" is a phrase that provides no value here. The risk as priced by the market simply is. We don't know if it is low or high...
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    So, I think I just created some stock option ALPHA for you guys...

    You state a hypothesis as if it's a theory you have experience with. My child often did that too.
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    Does deleveraging causes an excessive bull market with some delay ?

    Example of adding vol: The fed obviously creates boom and bust cycles. Examples of removing vol: fed bailouts, circuit breakers, uptick rule, locate requirement, etc.
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    Does deleveraging causes an excessive bull market with some delay ?

    Sometimes it adds and sometimes it substracts. You get both.
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    Interactive Brokers’ Thomas Peterffy sees the S&P 500 dropping nearly 20% from here

    The answer to this is central bank money printing. Are you talking real terms or dollar terms? In dollars it won't happen. In real terms it just may.
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    Synthetic positions and dividends

    Best answer ever.
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    Interactive Brokers’ Thomas Peterffy sees the S&P 500 dropping nearly 20% from here

    I buy assets when they are on sale. That has worked for 70 years; sometimes better than others. But at no point did you lose too badly with this strategy. Over indulging in opinions from people who get pay to give them results in confirmation bias.
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    Does deleveraging causes an excessive bull market with some delay ?

    You are asking if interest rates correlate with future stock prices. It's easy enough to take data and answer. But you'll need a reasonable sample size and that will require decades of data since interest rates don't go up and down every year. I'd say that whatever happened in the 1970s to...
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    How good is IB market data access?

    Save yourself a ton of headaches and get your data from another source designed specifically for that purpose. It's reasonably affordable. Then use the IB API to enter your trades and monitor positions. You're welcome.
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    Following Pelosi's trades

    Chris Collins did not actually trade this stock and he is not being accused of using his knowledge to gain financially in any way. This is where details matter. Simply making blanket accusations of insider trading plays well with people's feelings but it misses reality. He told his son about...
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    How does IB handle liquidation situation in portfolios involving excess short tail risk

    They won't tell you their risk algorithms. Atleast they won't tell me.
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    Following Pelosi's trades

    Time for a new ETF. QCH - Quarterly Congressional Holdings
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    Is it possible to increase the mathematical expectation?

    One can (easily) create algorithms to trade far more green days than red. This is not a badge of honor. Let's please stop posting our green/red day ratios. Profits are the correct measure. Being profitable with sports betting is far easier than stocks but sports bookies rig the size of bets...
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