RSV:=(CLOSE-LLV(LOW,N))/(HHV(HIGH,N)-LLV(LOW,N))100;
K:SMA(RSV,M1,1);
D:SMA(K,M2,1);
J:3K-2D;
boll:MA(J,20),LINETHICK3;
UPPER:BOLL+2STD(J,20);
LOWER:BOLL-2*STD(J,20);
IF(J REF(J,1),J,DRAWNULL),COLORRED,LINETHICK2;
IF(J REF(J,1),J,DRAWNULL)COLOR00BB00,LINETHICK2;