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Strategies & Market Trends : TA-Quotes Plus
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To: MrBuzz who wrote (6177)8/27/1998 9:40:00 AM
From: Gary Lyben   of 11149
 
In this example, EMovAvg(0,9,vol) returns today's value for a 10-day EMA of the volume; EMovAvg(0,21,vol) returns today's value for a 21-day EMA of the volume.

The documentation is wrong in this case.

EMovAvg(0,9,vol) returns the 9 day ema of the volume for the most current day. EMovAvg(0,21,vol)returns the 21 day ema.

Also - the ema calculation is sensitive to the number of days used in it's calculation. Use DaysToLoad = 500 or 1000 in order to get a value that is close to what is displayed on the screen.

Using DaysToLoad = 2200 will give a value that matches the one on the screen. To verify it in Metastock, make sure that it has exactly the same number of days loaded as qp does.

Gary
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