通达信波段低点(源码 副图/选股 贴图)

A1:=DRAWLINE(HIGH>=HHV(HIGH,13)
 ,HIGH,LOW<=LLV(LOW,13),LOW,0);
 B1:=DRAWLINE(LOW<=LLV(LOW,13)
 ,LOW,HIGH>=HHV(HIGH,13),HIGH,0);
 C1:=LOW<=LLV(LOW,13);
 ZD:A1=B1&&C1;