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Hi,
What is the meaning of the word "vs" in the following:
Thanks
Gram.
>Earl,
>
>First you don't use an options calculator to compute historical
>volatilities.  Historical vol. comes from the futures price data.  It is
>the standard deviation of daily price returns (without regard for
>direction) annualized.  You can do that on a HP 12C.  Just get your price
>data and do a hi / lo range vs. the closing price and viola that is
>historical.
 
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