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  1. L

    The reality in New York City and the economy...

    Yeah, once I get my masters and get an RV to live in, I am out of Manhattan. Headed to Jersey. Fuck this city.
  2. L

    Quick, by Mathematical Home Edition

    I have a student edition. In the student edition, you can actually enter in an equation and drop down a little slider that lets you vary elements of the equation. You can slide it around and mathematica redraws the equation. My god, it is better than pornography. Truly amazing.
  3. L

    Quick, by Mathematical Home Edition

    Let me just say that whatever you are doing in math, if you want to visualize it, mathematica is the way to go.
  4. L

    Reversion To the Mean (RTM) Intraday Strategies

    Fix this graph and plot a few other things: 1) Historical volatility of the stock for each time step in the graph 2) Implied volatility for the nearest at-the-money call at each step 3) mean of the returns 4) sample variance of the residuals for a given time window as t->inf
  5. L

    Reversion To the Mean (RTM) Intraday Strategies

    You're right. Improved F(X) would just give you a better estimate of the mean in the presence of correlation at various lags. IOW, you would know more readily whether price is trading in a region that could be considered far from the mean. In theory, your system would be more accurate in the...
  6. L

    Reversion To the Mean (RTM) Intraday Strategies

    What do all the different items on this graph mean? No way to tell you how to improve the strategy without looking at the strategy in more detail.
  7. L

    Reversion To the Mean (RTM) Intraday Strategies

    I never said ARMA was the end all be all. ARMA assumes weak stationarity, and that's not guaranteed on stock prices. It's somewhat reasonable to assume integration on the order of 1 , or to assume the returns [or log returns] are weak stationary. ARMA can provide a better fit under weak...
  8. L

    What college majors are best for trading (and are favored by trading firms)?

    multivariate heat equation is relevant to finance....
  9. L

    Suppose you know you are an idiot, what profession should you choose?

    lol, I'm a certifiable idiot. :-) I'll fix myself some day.
  10. L

    middle management

    Is there a more pathetic group of people in the corporate structure?
  11. L

    Morgan Stanley Says Sell Best S&P 500 Rally Since ’38

    stock_trad3r says not to sell. I think we should not listen to Morgan Stanley and, instead, listen to stock_trad3r. Sincerely, stock_trad3r's biggest fan
  12. L

    9 patients made nearly 2,700 ER visits in Texas

    They need to fry that bitch Texas style. Makes me sick.
  13. L

    Average day of a pro options trader

    I don't agree with that, I'm just saying that's how it is. I personally hate the culture and feel like we miss out on some characters who have some real creativity with the Ivy League/SAT filter. I look for good school as a base, an SAT score above 1350, and after that it's just whether...
  14. L

    S&P E-Mini right now

    Jesus. Does the market just not care? Mark-to-model? That is lunacy. I can my own belongings based on whatever model I want?
  15. L

    9 patients made nearly 2,700 ER visits in Texas

    The real issue is not that 9 people abused the system. The issue is why 2678 visits cost $3million+, when we KNOW most of those visits were probably bunk. That's outrageous. Bring back the free market to health care and college tuition, so these health care companies can't keep robbing us.
  16. L

    S&P E-Mini right now

    What's the news behind this current rally right now in the off hours? Why is the front month trading at 820?
  17. L

    Average day of a pro options trader

    Tell you what -- make up two resumes with similar qualifications. In one resume, put Berkeley and in the other, put CSULB. Post them on monster or efinancialcareers or whatever. See what happens.
  18. L

    Average day of a pro options trader

    There's grade inflation, but it's just a cheap and quick filter to get rid of everyone who might not be smart. HR and resume readers are lazy. They want to type in a few key words and find what they want. They are not going to type in "University of Phoenix Online" or "Cal State Fullerton".
  19. L

    Average day of a pro options trader

    Oh, and one more thing: major in CS or math, and minor in finance. Any idiot can learn the finance stuff from reading a book.
  20. L

    Average day of a pro options trader

    If you come out of a top engineering school or an ivy league school, forward me your resume and I will pass it on to my boss when hiring time comes around. Alternatively, if you have some kind of spectacular achievement we should know about, you can also forward a resume along. Wall St. is...
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