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  1. tommcginnis

    TSLA option writers

    I was never one to buy options -- never really saw the point -- never let myself get into that lottery frame-of-mind. But I *do* buy lottery tickets on occasion -- as per when the expected value is positive -- and even then, I don't buy it to win, but just to laugh and dream, between the...
  2. tommcginnis

    Two Beginner Questions On IV Please

    Nobody told *them*. (Nor Merton, Treynor, Sharpe, et.el.)
  3. tommcginnis

    How does one get in on after-hours trading on IB?

    google interactive brokers tws rth
  4. tommcginnis

    S & P

    • Global pandemic confirmed by W.H.O. • Delta, 'Merican, and United join others in cancelling air service in/out of China • Domestic U.S. upset as impeachment proceedings seek to apply a ruler to Donald John Trump's behavior to see if Pretty Fucking Bad is entirely Bad Enough. • End-of-Month...
  5. tommcginnis

    Envelopes, Waves, and Cycles

    Ummmm. It's a trivial frosh bit of algebra to go from two envelopes to the much-maligned MACD. "Just sayin'." :rolleyes:
  6. tommcginnis

    Conditional + midprice orders

    Zeno's Paradox(es)?
  7. tommcginnis

    S & P

    :confused::confused::confused: 100% of the drops on your graph are preceded by a "higher, tighter channel"... Post-hoc predictions....:rolleyes: If only reality was that flexible.:wtf::cool:
  8. tommcginnis

    So, is my newb math right regarding these SPY puts?

    So, is my newb math right regarding these SPY puts? No, except it's not just the math, but it's the math in concert with the intuition in back of it. Your math would be correct if your loss was covered at the strike of your put. But in fact, your coverage only *begins* at that strike. Thus, if...
  9. tommcginnis

    Video of What Happened at TD Ameritrade

    I generally avoid these types of threads/discussions, but after watching that video, "WooooooW." :confused::confused::confused: On TWS, if a trade has the slightest latency, the platform indicates that in color, and if it persists, then all hell breaks loose in the trading community. (And this...
  10. tommcginnis

    The #1 Cardinal Sin of Trading is...?

    I dunno...... TLSA is near all-time lows, with no big issues (announced) on the horizon = looks like a fair short. :wtf: :D
  11. tommcginnis

    How can you even claim that technicals matter?

    OP: you are focused on "results" -- which is a legendarily short-sighted target, as "results" are what drive noobs to buy at the top and sell at the bottom: you're always *following*. The fact is that the market is a sausage machine, and you're expecting one, single cut of meat to slide on...
  12. tommcginnis

    Reducing Noise for Dependent Variable

    I wrestled with this over the past 3-4 years, in getting into modern software's so-called "machine learning" routines. I ended up with two (somewhat comforting) conclusions: • contemporary "machine learning" is little more than stacked/iterative loops of recursion. Actual, un-pre-determined...
  13. tommcginnis

    Daily Account Margin Recalculations – Futures

    :D :confused::wtf::vomit::rolleyes::(:(:( "Surely, the market must turn *soon*....!"
  14. tommcginnis

    A real edge hardly requires any testing

    ^^THIS.^^ Don't be a purist. Be responsive to available profit. (Is this the 37th Rule Of Profit?)
  15. tommcginnis

    So, no double top means buy the dip... right?

    100% snark, BTW. Filled with about as many weasel statements as I could muster without actually working at it.
  16. tommcginnis

    So, no double top means buy the dip... right?

    Well, it could be this or it could be that -- unless, y'know, the market does what it *always* does and confirms the prior move in such a plain and obvious way. And when it does this -- Well! -- "Katy bar the door!" and all hell will break loose. But that's just when the Big Boys will come in...
  17. tommcginnis

    How the Mind Works ( podcast)

    Jeez. A great woman -- a great mind -- but apparently it's too much trouble to mention her husband, Nobel Laureate Amos Tversky. Sheeeeesh. :confused:
  18. tommcginnis

    What size do prop traders and investment banks trade?

    A fair estimate of time needed to exit a position without affecting market price (by too much)... ...months: Warren Buffet (and a dozen others) ...weeks : Goldman Sachs (and a dozen others) ...days : prop shops (dozens of 'em) ...hours : F&F funds (dozens of thousands of 'em) ...minutes...
  19. tommcginnis

    Daily Account Margin Recalculations – Futures

    This is my understanding, sausaged together 5-10 years ago.
  20. tommcginnis

    I trade equities better than futures, WHY?

    I trade equities better than futures, WHY? easy: leverage versus your operative risk control. futures move faster (by multiples, right?) for every tic, than their underlying equity. Your risk control (whether discretionary, written, algo-ed, or not) will get a workout. Why ask "why"? easy: If...
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