DIFF:=EMA(CLOSE,12) - EMA(CLOSE,26); DEA:=EMA(DIFF,9);D:=(DIFF-DEA)*2; RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9));K:=SMA(RSV,9,3);D:=SMA(K,9,3);J:=3*K-2*D;A1:=OSS(DIFF,DEA) AND CROSS(K,D) AND CROSS(J,D) AND DIFF<0;A2:FILTER(A1,20);