/*[[
 Name := Price Oscillator
 Author := Merrill Teemant
 Link := ..
 Separate Window := Yes
 First Color := Green
 First Draw Type := Histogram
 First Symbol := 217
 
]]*/

input:  firstnumber(20),secondnumber(5);
Variable :  shift(0);
var: signal(0);
var: ppo(0), ema_ppo(0);



For shift = Bars-50 Downto 0 Begin

	ppo = (iMA(secondnumber,MODE_SMA,Shift) - iMA(firstnumber,MODE_SMA,shift))/iMA(secondnumber,MODE_SMA,shift) * 100;
    ema_ppo =  iMA(ppo,MODE_SMA,shift);
    

	signal = ppo - ema_ppo;

 SetIndexValue(shift,signal);

End;