O4:=REF(OPEN,4);
C4:=REF(CLOSE,4);
H4:=REF(HIGH,4);
L4:=REF(LOW,4);
O3:=REF(OPEN,3);
C3:=REF(CLOSE,3);
H3:=REF(HIGH,3);
L3:=REF(LOW,3);
O2:=REF(OPEN,2);
C2:=REF(CLOSE,2);
H2:=REF(HIGH,2);
L2:=REF(LOW,2);
O1:=REF(OPEN,1);
C1:=REF(CLOSE,1);
H1:=REF(HIGH,1);
L1:=REF(LOW,1);
O0:=OPEN;
C0:=CLOSE;
H0:=HIGH;
L0:=LOW;
YINXIAN:=(C1<O1);
DIJIA:=(C1<MIN(L3,L4));
DIJIAA:=(C1<MIN(L2,L3));
YANGXIAN:=(C0>O0);
GAOJIA:=(C0>H1);
YINXIAN AND DIJIA AND YANGXIAN AND GAOJIA AND DIJIAA;
BUY = YINXIAN AND DIJIA AND YANGXIAN AND GAOJIA AND DIJIAA;