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    What ETF will allow me to Short Vega on Gold?

    I don't want to short vol using options. Is there an ETF on Gold that derives its price from the volatility of the Gold prices and not actually from the actual returns on Gold? I want to eliminate market direction and focus on vol. Thanks -Larry
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    What does this mathematical expression mean?

    Thanks a lot everyone. That makes sense now...
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    What does this mathematical expression mean?

    Thanks all, especially equalizer. Now, in your expression you said it could be one or the other? So it is not a bound like (-3, 5]?
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    Question about theta in american and european options?

    Why is it that European options can trade below parity (& have positive theta), while American Options cannot?
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    What does this mathematical expression mean?

    The Cox-Rubenstein Model for Calls is C = 1/(rr)^n[sum(from k=0, n) of (n!/(k!(n-k)!))(p^k)*(1-p)^(n-k)max(0, u^k*d^(n-k)*U-E] What does the max(0, u^(k)*(d^(n-k)U-E) mean? More generally, what does the max() function mean when it follows an infinite series? Much appreciated,
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    Noob question about interest rates and options?

    I've been reading Natenberg's book 'Options as a Strategic Investment' and was wondering several things. On pg. 48, he says "If the underlying contract is subject to stock-type settlement, as we raise interest rates, we raise the forward price, increasing the value of calls and...
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    Noob question regarding reverse straddle?

    Hi guys, I'm new to options and I am currently going through McMillan's book "Options as a Strategic Investment." In it, he says that the Reverse Straddle is an equivalent strategy to using Puts (haven't gotten there yet). He says that the maximum risk for a reverse hedge (reverse...
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    Noob question about options?

    I've started learning a bit about options and I have a couple of questions on covered calls. If you buy a stock and write a call that is deep, deep, in the money, you will have downside protection of Stock Price - Option Price. However, your profit will be much smaller. I've done several...
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    What is the best book on options trading?

    Hi guys, I just joined the forum and was wondering what is the "Bible" of options trading? I know 'Security Analysis' is for I-Banking. What about options trading? I am looking for something that gives strategies and how to implement them, as well as binomial pricing and black-scholes...
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