拐点包括方向性、相对性、周期性、信号性、复杂性。市场结构理论对五个属性进行了必要的描述。趋势反转不是一个纯粹的技术概念或者趋势的状态,而表现出明确的具体的反转信号。反转是市场行为“量比”的确定的事实。N:=5;
下:DRAWLINE(HIGH>=HHV(HIGH,N),HIGH,LOW<=LLV(LOW,N),LOW,0);
上:DRAWLINE(LOW<=LLV(LOW,N),LOW,HIGH>=HHV(HIGH,N),HIGH,0);
当前成交量:ROUND(VOL),NODRAW;
上均量:SUM(ROUND(VOL),BARSLAST(LOW<=LLV(LOW,N))+1)/(BARSLAST(LOW<=LLV(LOW,N))+1),NODRAW,COLORYELLOW;
下均量:SUM(ROUND(VOL),BARSLAST(HIGH>=HHV(HIGH,N))+1)/(BARSLAST(HIGH>=HHV(HIGH,N))+1),NODRAW;
DRAWTEXT((下=上)*HIGH>=HHV(HIGH,N),HIGH,VAR2STR(上均量,2));
DRAWTEXT(LOW<REF(LOW,1) AND LOW<=LLV(LOW,N)*(下=上),LOW-0.2,VAR2STR(下均量,2));