// Downloaded From https://www.WiseStockTrader.com
_SECTION_BEGIN("PPO");
//Further understanding of PPO indicator visit www.Stockchart.com
PPOShort = Param("PPO Short Period", 12, 1, 150, 1);
PPOLong = Param("PPO Long Period", 26, 1, 150, 1);
PPOsignal = Param("PPOsignal", 9, 1, 150, 1);
PPO = (EMA(C, PPOShort ) - EMA(C, PPOLong ))/ EMA(C, PPOLong );
PPOS = (EMA(ppo, PPOsignal ));
Val=ppo-PPOS ;
Plot( PPO , "ppo", colorGreen, styleLine| styleThick ); 
Plot ( PPOS ,"PPO Signal", colorOrange, styleLine| styleThick ); 
dynamic_color = IIf( Val> 0, colorGreen, colorRed ); 
Plot( Val, "PPO Histogram", dynamic_color, styleHistogram | styleThick );
Buy=cross(PPO,PPOS);
Sell=cross(PPOS,PPO);
_SECTION_END();