筹码90%成本集中度计算公式

INTPART((CEILING(COST(50+90/2)*100)/100-FLOOR(COST(50-90/2)*100)/100)
/(CEILING(COST(50+90/2)*100)/100+FLOOR(COST(50-90/2)*100)/100)*1000)/10<10;{90%筹码集中度}