X_1:=OPEN
X_6:=CLOSE>MA(CLOSE,10);
X_7:=CLOSE>MA(CLOSE,20);
X_8:=CLOSE>MA(CLOSE,30);
大牛出现:X_1 AND X_2 AND X_3 AND X_4 AND X_5 AND X_6 AND X_7 AND X_8;
X_1:=OPEN
X_6:=CLOSE>MA(CLOSE,10);
X_7:=CLOSE>MA(CLOSE,20);
X_8:=CLOSE>MA(CLOSE,30);
大牛出现:X_1 AND X_2 AND X_3 AND X_4 AND X_5 AND X_6 AND X_7 AND X_8;