{331系统指标}
N:=3;
M:=1;
REF1:=REF(CLOSE,1);
REF2:=REF(CLOSE,2);
REF3:=REF(CLOSE,3);
REF4:=REF(CLOSE,4);
REFHIGH2:=REF(HIGH,2);
REFLOW2:=REF(LOW,2);
COND_DOWN_BUY:=REF(CLOSE,3)<REF(OPEN,3) AND REF(CLOSE,2)<REF(OPEN,2) AND REF(CLOSE,1)<REF(OPEN,1) AND CLOSE>OPEN AND CLOSE>REFLOW2;
COND_UP_BUY:=REF(CLOSE,3)>REF(OPEN,3) AND REF(CLOSE,2)<REF(OPEN,2) AND REF(CLOSE,1)>REF(OPEN,1) AND CLOSE>REFHIGH2;
COND_UP_SELL:=REF(CLOSE,2)>REF(OPEN,2) AND REF(CLOSE,1)<REF(OPEN,1) AND CLOSE<REF(HIGH,1);
DRAWTEXT(COND_DOWN_BUY, LOW*0.98, '下买'), COLORGREEN;
DRAWTEXT(COND_UP_BUY, LOW*0.98, '上买'), COLORYELLOW;
DRAWTEXT(COND_UP_SELL, HIGH*1.02, '上卖'), COLORRED;
