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    correlation

    I remember there used to be one. It even computes and draws the maximum spanning correlation tree, which, though useless, was pretty cool to look at. The biggest problem you are going to be have with doing that is the specification of time horizon and frequency (correlation from daily...
  2. S

    Stocks that don't correlate with the SP500?

    to be specific, beta to the spx would equal to the covariance divided by the variance of spx; and correlation is the covariance divided by the std of spx and the std of the stock, so beta is the covariance multiply by the ratio of the variance of the stock to the variance of the spx
  3. S

    Stocks that don't correlate with the SP500?

    .... I think you mean to say beta less than 0
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    Taking $25,000 to 2 million in 18 months

    Except, I don't think there are verifications of his performance. If there is, I'd be interested in seeing it. I'm not doubting that it exists, just that I've heard this claim many times before and no one has ever been able to show that this fella actually performed as he claimed. Think of...
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    Question for some math gurus

    Because I don't feel like announcing who I am or who I work for over a public forum? I guess with your family owning a brokerage firm, you are all set up then. Good luck to ya - but I guess you really don't need it.
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    Question for some math gurus

    Oh - if you mean my undergrad degree in comp sci, I do have a graduate degree from that business school attached to penn (not state). Okay, I feel like I'm actually being kind of a douche with this; I'm serious about my offer above. Why not - it'll be my "help a misguided undergrad" event of...
  7. S

    Question for some math gurus

    How is a buy side asset manager not finance? If the guys buying and selling bonds, interest rate swaps, and derivatives are not in finance, please, do tell me who is. You know what? let's do it. PM me your cell or whatever; I'll buy you a coffee, and, provided you are not a complete assh*le...
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    Question for some math gurus

    Come by 18th and chestnut; I'll buy you a cup of coffee. I have an undergraduate degree in computer science and enjoy the topic. It was a lighthearted banter on some technical matter with nitro. Big whoop. And no, asset manager does not equal to financial planner. Institutional buy side...
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    Question for some math gurus

    And in case you feel like bringing it up, Penn (not state) has plenty of knuckleheads and idiots like everywhere else in the world; but none writes with syntax and grammar as appalling as yours.
  10. S

    Question for some math gurus

    Good thing I went to the business school of that other school in PA that's not penn "state". And, btw, I'm with a very large asset manager in philly that regularly hire interns from schools around here; I'll be sure to pose a compounding problem. Point stand, in general, compounding is...
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    Question for some math gurus

    No. He's not wrong. You are. Compounding is inappropriate here because of minimum tick size and the impossibility of trading fractional shares. Did you just take a finance 101 class at a junior college? surely they don't let people with your level of grammar into a legitimate school right?
  12. S

    Foreign Exchange Equity Options

    You are pretty rude aren't you.
  13. S

    Ken Thompson wrote Unix in a month

    I think my point was that they are not comparable. That you need different tools for different jobs. Are we actually disagreeing?
  14. S

    A company of top-tier traders for a cause: would you be interested?

    It's kind of amazing that Jack isn't banned by now.
  15. S

    A company of top-tier traders for a cause: would you be interested?

    I worked out in my above numerical example that even with stellar returns, the model won't work unless each trader contributes a large amount of sum. I think the end point is that you haven't been able to show the benefit of creating this endowment rather than just have everyone contribute on...
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    Ken Thompson wrote Unix in a month

    Do you have a point of sort to make? I've done enough assembly in a past life and then I did lot of statistics work in grad school; I sure as hell was glad to use an objected oriented language for the latter; the efficiency loss is worth it compared to the ease of implementation and reuse. So...
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    Ken Thompson wrote Unix in a month

    Don't be silly. there's a huge difference between writing a kernel and writing business logic. It's easy enough to write a very fast regression analysis on a data set in assembly, but good luck if you want to reuse that for a different purpose at a later date.
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    Question for some math gurus

    Point taken on not over confusing this poor fella. I can certainly understand your point that knowing topology isn't directly related to trading (although I won't say that it has no effect whatsoever; a little number theory and optimization goes a long way to being a more enriched thinker)...
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    A company of top-tier traders for a cause: would you be interested?

    By the way, I call bs on that this is a legitimate IRS tax filing, unless you mean it's just a piece of paper you sent to the IRS that in no way meets any of their requests. Moreover, it has absolutely nothing to do with the discussion at hand, that you managed to derail.
  20. S

    Question for some math gurus

    Oh boy... talk about logically fallacies. Consider this: (1) Knowing math is necessary to good trading. (2) Knowing math is not sufficient to good trading. If this is true, then not all scientists can be good traders. However, you can't be a good trader without knowing math. See how your...
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