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发表于 2009-7-12 02:07 PM
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200天均线是指moving average price of 200 trading days 还是moving average price of 200 calenda days?呵呵。
1# hithere
Diver 发表于 2009-7-11 10:43 
http://stockcharts.com/school/do ... ors:moving_averages
In the example above, using closing prices from Eastman Kodak (EK), day 10 is the first day possible to calculate a 10-day simple moving average. As the calculation continues, the newest day is added and the oldest day is subtracted. The 10-day SMA for day 11 is calculated by adding the prices of day 2 through day 11 and dividing by 10. The averaging process then moves on to the next day where the 10-day SMA for day 12 is calculated by adding the prices of day 3 through day 12 and dividing by 10. |
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