源码
QVAR1A:=((HHV(HIGH,21)-CLOSE)/(HHV(HIGH,21)-LLV(LOW,21)))*(100)-10; 
QVAR1B:=((CLOSE-LLV(LOW,21))/(HHV(HIGH,21)-LLV(LOW,21)))*(100); 
QVAR1C:=SMA(QVAR1B,13,8); 
QVAR1D:=SMA(QVAR1A,21,8); 
波段:=SMA(QVAR1C,13,8); 
起点:(FILTERX((COUNT((波段-QVAR1D<(-68)),3)=3),10));