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发表于 2011-10-20 01:40 PM
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MovAvgWeighted
The Weighted Moving Average study is a Moving Average indicator that shows the average value of the security price over a period of time with a heavier weighting given to the more recent price action.
The Weighted Moving Average is calculated by multiplying each of the previous days' data by a weight factor. That factor is equal to the number of days past the first day used in the Moving Average so that today's weight factor is the greatest, while the first day's factor is equal to 1. The total is then divided by the sum of the factors, for example, for the 5-day Weighted moving average, it is equal to 5+4+3+2+1=15. |
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