v1:=close>open and ref(close,1)(open,1)and ref(close,2)>ref(open,2)and close>ref(open,1)and close>ref(close,2);v2:=backset(v1 and ref(v1,2)and c>ref(c,4),5);v3:=backse.
aa:=close/ref(close,1)>1.03; bb:=low/ref(high,1)>1 and low/ref(high,1)<1.02; cc:=close<hhv(high,40) and low / llv(low,20)<=1.12; dd:=amount/ma(amount,5)>2; 买入:aa and bb and cc and dd...