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Prestion,<br>
Actually, the formula that I wrote (based off your info) give the results
I wanted. Put the formula in MS and give both versions a try. What mine does is chart a 13 day
EMA and another EMA that is the 13 day EMA <font color="blue">minus</font> a 5 day EMA.<br>
<br>
In order to get that last part, I get the difference of 13 EMA - 5
EMA<br>
<br>
A:= Mov(C,13,E);<br>
B:= Mov(C,5,E);<br>
X:= A - B;<br>
<br>
Now I take that difference and minus it from the full 13 EMA to get the
EMA that is the 13 EMA - 5 EMA. I don't want to plot the difference, I want to plot the deducted
13 EMA.<br>
As for having too many minuses in the formula, you are most certainly correct.<br />
If you plot the formula:<br>
MAP:= Input("Moving Average Periods", 2, 365, 13); <br>
Displacement:= Input("Periods Back", 2, 365, 5);<br>
<br>
A:= Mov(C,MAP,E); <br>
B:= Mov(Ref(C, Displacement),MAP,E) <br>
<br>
A; <br>
B; <br>
<br>
You will see that second EMA stops five days back (assuming a minus period of five days), which
you would expect, because (for example) today's minused EMA could not generate until five days in
the future, so I have to guess at the plots based off the recent prices.<br>
<br>
I hope this helps to make it clear what I am trying to accomplish.<br>
<br>
Thanks!<br>
Conrad<br>
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