超跌抄底可买，再优化了一次，抄底信号更加灵敏

VAR1:=IF(CLOSE>REF(CLOSE,1),VOL,0);

VAR2:=IF(CLOSE< REF(CLOSE,1),VOL,0);

SH:SUM(VAR1,13),NODRAW;

UP:SUM(VAR2,13),NODRAW;

趋势线: 3*SMA((CLOSE-LLV(LOW,26))/(HHV(HIGH,26)-LLV(LOW,26))*108,5,1)-2*SMA (SMA((CLOSE-LLV(LOW,26))/(HHV(HIGH,26)-LLV(LOW,26))*108,5,1),3,1),LINETHICK2,COLORWHITE;

超跌线: 13,LINETHICK2,COLORYELLOW;

可买: IF(CROSS(趋势线,超跌线),81,0),LINETHICK2,COLORRED;

DRAWTEXT(CROSS(可买,8),89,'抄底'),COLOR00FF00,COLORRED;

趋势线:=3*SMA((CLOSE-LLV(LOW,26))/(HHV(HIGH,26)-LLV(LOW,26))*108,5,1)-2*SMA (SMA((CLOSE-LLV(LOW,26))/(HHV(HIGH,26)-LLV(LOW,26))*108,5,1),3,1);

超跌线:=13;

可买:=IF(CROSS(趋势线,超跌线),81,0);

CROSS(可买,8);