教皇画线主图，财某学堂教学专用仅供参考不作买卖依据

X_1:=EMA(CLOSE,SHORT);

X_2:=EMA(CLOSE,LONG);

UP:DRAWLINE(LOW=LLV(LOW,BARSLAST(CROSS(X_2,X_1))+1),LLV(LOW,BARSLAST(CROSS(X_2,X_1))+1),HIGH=HHV(HIGH,BARSLAST(CROSS(X_1,X_2))+1),HHV(HIGH,BARSLAST(CROSS(X_1,X_2))+1),0),COLORWHITE;

DOWN:DRAWLINE(HIGH=HHV(HIGH,BARSLAST(CROSS(X_1,X_2))+1),HHV(HIGH,BARSLAST(CROSS(X_1,X_2))+1),LOW=LLV(LOW,BARSLAST(CROSS(X_2,X_1))+1),LLV(LOW,BARSLAST(CROSS(X_2,X_1))+1),0),COLORWHITE;