以下是通达信波段王预警/选股源码

RSV9:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
 K1:=SMA(RSV9,3,1);
 DK1:=K1-REF(K1,1);
波段王:=IF(DK1>7 AND REF(DK1,1)<0 AND (DK1-REF(DK1,1))>9,50,0);
波段:(波段王>0);