LLO:=LLV(LOW,9);

HVG:=HHV(HIGH,9);

RSR:=EMA((CLOSE-LLO)/(HVG-LLO)*100,3);

L1:EMA(RSR,3),COLORRED;

L2:EMA(L1,2),COLORWHITE;

L3:MA(L2,3),COLORLIGREEN;

L4:EMA(L3,2),COLORBLUE;

买:=CROSS(L1,L4);

DRAWTEXT(买,L1-10,'买入!'),COLORRED;

卖:=CROSS(L3,L1);

DRAWTEXT(卖,L2+8,'卖出!'),COLORYELLOW;