Qualcomm Incorporated (QCOM) Message Board

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Technology Stocks : Qualcomm Incorporated (QCOM)

QCOM 159.42

-1.2%

Jan 16 9:30 AM EST

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To: JohnG who wrote (43554)	10/6/1999 1:19:00 PM
From: Jim Willie CB	Read Replies (2) of 152472

JohnG, on exponential moving averages what you describe is the geometric moving average essentially it is the n-th root of the product of those n daily closing prices the logging and exponentiating enables easier calculations e.g. geometric avg of 2 and 0.5 is 1 of 4 and 0.25 is 1 of 2,4,6,5 is fourth-root of 240, which is about 3.936 exponential moving average is something more queer I will dig up a formula for you the exponential portion comes from smoothing the weights involve a clever scheme of exponential coefficients imagine a smoothed arithmetic moving average the object is to remove undue spikeyness looks like I missed the cupofcoffee by a point -- 206 more later, jim

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