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1answer
5k views

How to calculate the standard deviation of stock returns?

I'm trying to learn the the BlackÔÇôScholes 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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3answers
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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?