{三线寻底选股指标}
N1:=5;
N2:=10;
N3:=20;
MA5:=MA(CLOSE,N1);
MA10:=MA(CLOSE,N2);
MA20:=MA(CLOSE,N3);
{条件1:5日均线在10日均线之下}
COND1:=MA5 < MA10;
{条件2:10日均线在20日均线之下}
COND2:=MA10 < MA20;
{条件3:股价在20日均线之下}
COND3:=CLOSE < MA20;
{条件4:成交量缩量}
COND4:=VOL < MA(VOL,5);
{条件5:KDJ指标J值小于20}
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
K:=SMA(RSV,3,1);
D:=SMA(K,3,1);
J:=3*K-2*D;
COND5:=J < 20;
{综合选股条件}
BUY_SIGNAL:COND1 AND COND2 AND COND3 AND COND4 AND COND5;