以下是通达信吴氏中线指标公式源码副图（无源码的请下载附件导入）

VAR3:=100-(100-3*SMA((CLOSE-LLV(LOW,50))/(HHV(HIGH,50)-LLV(LOW,50))
*100,20,1)+2*SMA(SMA((CLOSE-LLV(LOW,50))/(HHV(HIGH,50)-LLV(LOW,50))
*100,20,1),20,1));
VAR4:=100-(100-3*SMA((OPEN-LLV(LOW,50))/(HHV(HIGH,50)-LLV(LOW,50))
*100,20,1)+2*SMA(SMA((OPEN-LLV(LOW,50))/(HHV(HIGH,50)-LLV(LOW,50))
*100,20,1),20,1));
STICKLINE(VAR3<=REF(VAR4,1),VAR3,VAR4,4,0),COLORGREEN;
STICKLINE(VAR3>REF(VAR4,1),VAR3,VAR4,4,0),COLORRED;