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Jerry W. Lewis Jerry W. Lewis is offline
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Default what is the excel formula for market volatility?

If you mean as defined at http://en.wikipedia.org/wiki/Volatility_%28finance%29
you could use the array formula (committed with Ctrl-Shift-Enter)
=STDEV(LOG(data))*SQRT(tradingDaysPerYear)
to get annualized volatility.

Jerry

"Dyn" wrote:

anybody knows the formula??