顶底预警,结合RSI和KDJ
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100; K:=SMA(RSV,3,1); D:=SMA(K,3,1); RSI:=SMA(MAX(CLOSE-REF(CLOSE,1),0),14,1)/SMA(ABS(CLOSE-REF(CLOSE,1)),14,1)*100; 顶部预警:K>80 AND D>80 AND RSI>70; 底部预警:K<20 AND D<20 AND RSI<30; 选股:底部预警;