ema30:=ema(c,30);ema60:=ema(c,60);ema90:=ema(c,90);ema120:=ema(c,120);ema250:=ema(c,250);ss:=cross(ema30,ema60) and c>o and c>ref(c,1) and c/ref(c,1)>=1.018or cross(ema30,ema120) and c>o and c>ref(c,1) and c/ref(c,1)>=1.018or cross(ema60,ema90) and c>o and c>ref(c,1) and c/ref(c,1)>=1.018or cross(ema30,ema90) and c>o and c>ref(c,1) and c/ref(c,1)>=1.018;xg:ss; 20210311