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How to calculate the standard deviation of stock returns?
I'm trying to learn the the Black–Scholes option pricing formula and one of the elements of that formula (according to http://bradley.bradley.edu/~arr/bsm/pg04.html) is the "standard deviation of ...
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How do you calculate the rate of return (ROR) when buying and selling put options?
How do you calculate the rate of return (ROR) when buying and selling put options?
