RSV:=(((CLOSE - LLV(LOW,9)) / (HHV(HIGH,9) - LLV(LOW,9))) * 100);
K:=SMA(RSV,3,1); D:=SMA(K,3,1); J:=3*K-2*D; 买入时机:crOSS(J,3),COLORFF00FF,LINETHICK3;