主力持仓:=EMA(100*(CLOSE-LLV(LOW,34))/(HHV(HIGH,34)-LLV(LOW,34)),3); 指数趋势:=EMA(100*(INDEXC-LLV(INDEXL,34))/(HHV(INDEXH,34)-LLV(INDEXL,34)),3); 强弱分界:=80;主力筹码集中度:=WINNER(C)*100;散筹筹码集中度:=(WINNER(C*1.1)-WINNER(C*0.9))*100;选股:CROSS(主力筹码集中度,强弱分界);