短买，公式无未来函数
短买配合短线出入主图，可以看到短线出入选出的股都有短买进场
结果比较多。
加密无时限。
============应要求，破了
X_1:=MA(CLOSE,3);
X_2:=(3*CLOSE+LOW+OPEN+HIGH)/6;
X_3:=(20*X_2+19*REF(X_2,1)+18*REF(X_2,2)+17*REF(X_2,3)+16*REF(X_2,4)+15*REF(X_2,5)+14*REF(X_2,6)+13*REF(X_2,7)+12*REF(X_2,8)+11*REF(X_2,9)+10*REF(X_2,10)+9*REF(X_2,11)+8*REF(X_2,12)+7*REF(X_2,13)+6*REF(X_2,14)+5*REF(X_2,15)+4*REF(X_2,16)+3*REF(X_2,17)+2*REF(X_2,18)+REF(X_2,20))/211;
X_4:=CLOSE>REF(CLOSE,1) AND CLOSE>REF(CLOSE,2);
X_5:=REF(X_4,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_6:=REF(X_5,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_7:=REF(X_6,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_8:=REF(X_7,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_9:=REF(X_8,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_10:=REF(X_9,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_11:=REF(X_10,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_12:=REF(X_11,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_13:=REF(X_12,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_14:=REF(X_13,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_15:=REF(X_14,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_16:=CLOSE<REF(CLOSE,1) AND CLOSE<REF(CLOSE,2);
X_17:=REF(X_16,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_18:=REF(X_17,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_19:=REF(X_18,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_20:=REF(X_19,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_21:=REF(X_20,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_22:=REF(X_21,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_23:=REF(X_22,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_24:=REF(X_23,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_25:=REF(X_24,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_26:=REF(X_25,1) AND CLOSE<=REF(CLOSE,1) AND CLOSE>=REF(CLOSE,2);
X_27:=REF(X_26,1) AND CLOSE>=REF(CLOSE,1) AND CLOSE<=REF(CLOSE,2);
X_28:=REF(X_16 OR X_17 OR X_18 OR X_19 OR X_20 OR X_21 OR X_22 OR X_23 OR X_24 OR X_25 OR X_26 OR X_27,1) AND X_4;
短买信号:X_28;
