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Copy & paste formula below.


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EMA - slope %
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{ EMA slope % v2.0, +/- 0~100%

 Copyright © 2003-2007 Jose Silva.
 For personal use only
 http://www.metastocktools.com }

{ User inputs }
pds:=Input("EMA periods",1,2520,21);
x:=Input("use: [1]Open, [2]High, [3]Low, [4]Close, [5]Volume",1,5,4);

{ Data Array }
x:=If(x=1,O,If(x=2,H,If(x=3,L,If(x=5,V,C))));

{ Indicator }
EMA:=Mov(x,pds,E);

{ Slope }
EMAprev:=Ref(EMA,-1);
y:=Min(EMA,EMAprev)/Max(EMA,EMAprev);
EMAratio:=(If(EMA>EMAprev,2-y,y)-1)*100;
EMAper:=If(EMAratio<0,Atan(EMAratio,1)-360,
 Atan(EMAratio,1))*10/9;
signal:=Mov(EMAper,pds,E);

{ Plot in own window }
0;signal;EMAper

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