X:=EMA(((SLOPE(CLOSE,21) * 20) + CLOSE),68); Y:=EMA(CLOSE,10); 红▲:=CROSS(Y,X); c1:=(CLOSE+LOW+HIGH)/3; c2:=EMA(c1,6); c3:=EMA(c2,5); 红★:=CROSS(c2,c3); 红▲ and 红★;
