profitability ratios

Researches were carried out on the role of the financial statement in the stock choice by qualitative and quantitative methods from solvent ratios and hedging and proliferating ratios.

利用财务报表中的盈利性比率和保值增值率,结合定性和定量分析方法对财务报表进行了研究。

The simulation,results illustrate that new approaches are much better than the one based on fixed-length average both in profit ratio and profit probability of investment.

建立了一个股票投资模型,该模型对定长移动平均在股价跌涨中的预测效果进行了分析,然后提出了变长移动平均算法和基于股价波动因子的卖出准则,并对其进行了模拟检验,其结果显示新的方法在盈利率和盈利概率上都明显优于定长移动平均的投资结果。