红色警戒之45度角选股指标公式

	X1:=(C+L+H)/3; BB13:=ATAN(EMA(X1,13)-REF(EMA(X1,13),1))*3.1416*10; 度角45:FILTER(BB13>1 AND EMA(X1,13)>REF(EMA(X1,8),1),10);