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  1. tommcginnis

    What does "We Have Acted as Agent" mean?

    Yeah, but you do a *lot* of things, and pretty damn well, and we all appreciate your knowledge and civility on ET. So there. :p :D
  2. tommcginnis

    Daily on Intraday Charts in IB

    IB (TWS) allows an SMA(1000). For 5-minute candles, that's 5000 minutes. Or 83.333 hours. If your chart is RTH, and there's 6.5 hours in a trading day, that's nearly 13 trading days.
  3. tommcginnis

    Fastest Execution Broker with Hotkey functionality?

    https://investors.interactivebrokers.com/en/index.php?f=1590&p=stocks2 10k+ shares a pop? 20 trading days a month? Probably 5-10 trades/day? So, it's not commissions, it's all-in costs. That's going to be quite an assignment, and still keep DMA.
  4. tommcginnis

    stop loss

    You are sitting in an open-wheel race car and asking which pedals to press. The best advice here is to GET OUT OF THE CAR. Your ability to press a mouse button does not qualify you to play with tools and markets that will suck your capital away from you so fast that your head will spin 'round...
  5. tommcginnis

    SPX P&L, bid/offer spreads, skewed marks

    Look at the range of today's action. Look as SPX plotted against VIX or VIX9D. Had nothing to do with ToS, and everything to do with market using the FED to jimmy past resistance. If we don't get any more Tweets overnight, expect the VIX to *drop* tomorrow -- over a full point, counting today's...
  6. tommcginnis

    Longtime traders -- Has ur personality changed because of trading?

    I can only imagine the indecision at traffic lights and grocery isles. :wtf: Coming home with 2 cases of cat food despite not having owned a cat. "But Honey! The wave! It was peaking and had....." :confused:
  7. tommcginnis

    Longtime traders -- Has ur personality changed because of trading?

    Training is ye ol' Scientific Method took me through school. School got me into trading. Trading drilled and re-drilled scientific rigor. "Science" (willful credulity; hypothesis testing; willful doubt; investigation for tools; investigation for data; patience) has certainly shaped my way of...
  8. tommcginnis

    Why do traders fail?

    No -- it's nearly an accident. It's a small after-effect of our transactions. It's only applicable to a single transaction, and while a 'work ethic' is a great thing, luck is just luck. First, when the shares that we trade are first issued, the company underlying the shares got our money. If I...
  9. tommcginnis

    Will ADX + OBV be a possible trading strategy?

    As much as I love the intuition behind the OBV, I have never seen it work. I have checked it out short term, long term, swings, intra-day to 1-minute candles. I have tweaked it's look-back further and shorter, and never seen it survive a contest with a fair coin. :confused: If you are *forced*...
  10. tommcginnis

    How much edge is economically significant?

    The balance you're describing is a great one by which to measure the advisability of any given position. For selling verticals, I favored delta-differences {not gamma} against theta. "How much of a *slot* of risk am I covering, versus the time-burn on my {net} premium?" Same concept, different...
  11. tommcginnis

    Trading while having a job.

    If you have too much money :confused:, you can simply act such as more is spoken-for, and less is 'disposable.' You can do that by spending more -- OR, you can go the Cheap Bastard[!] route, and put more away in your 401k,529,IRA,Roth etc etc, so that what actually makes it to your wallet is...
  12. tommcginnis

    Advice on hedging a position using options

    If he sells puts here, and the stock plummets, he's not only lost his current gain, but now is on the hook for however much the puts have now popped in price. That is a double-bad day. :confused:
  13. tommcginnis

    Advice on hedging a position using options

    While I so-much agree with the sentiment of "Don't let a tax issue steer your portfolio...", in this case, I agree *more* (but not totally) with you: it's a 100% guaranteed gain. It's a risk-free return *way* above the market, for that chunk of capital. At the same time, though: your gain right...
  14. tommcginnis

    Is this calculation correct ? - Emini S&P500

    4 ticks = 1 point $12.50 * 4 =...... $50. Easy miss. :)
  15. tommcginnis

    Difference between newbie struggling trader vs successful trader

    "Really. RRRRRRReally." And I suppose you just randomly aim the barrel before you pull the trigger? :rolleyes: :D Sheeesh.
  16. tommcginnis

    Difference between newbie struggling trader vs successful trader

    Perfect! MORE Perfect!! Why not, "All of the Above"?? As an options seller, I did not have to have the market's behavior nailed down for the hour or the day, but within a range for the week. As a trend/momentum trader, I only need to spec what defines as a solid trend, and then to jump ship...
  17. tommcginnis

    Most useful things you learned in school that apply to trading?

    1) e By FAR the single best thing I learned in school that applies to trading. e is all *over* the place, but it is especially prominent (in my mind) in, 2) N(µ,σ) which would be the home turf of the Central Limit Theorem (where all good Mean Reversion theorists go to hang out in safety, put...
  18. tommcginnis

    Relationship of Delta : Underlying as function of Time to Expiration (for ATM strikes)

    PLEASE don't mix cause & effect. Delta doesn't *cause* a change in price -- delta IS the change in price. Gamma doesn't *cause* a change in delta -- gamma IS the change in delta. Gamma is a *witness* to the change in delta; delta is a *witness* to the change in the underlying. But fo'sho', the...
  19. tommcginnis

    Relationship of Delta : Underlying as function of Time to Expiration (for ATM strikes)

    "Yes." :D ((And now we're back to gamma!)) So, you're absolutely correct: if there were no future(s) contract issue, and interest rates = 0.0%, yadda-yadda-yadda, if you had two expiries of the same strike, they would not have identical deltas because as the instantaneous rate-of-change, the...
  20. tommcginnis

    Alan Krueger, Princeton Economist Dies at Age 58.

    Holy COW. He was something else, too. VERY young. GREAT mind.
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