The fast development of china bond market boosts the research of bond . the most important issue of securlty markets is the return - - - risk relation and the retum - - - risk relation of bonds is reflected by the yield curve that describes the relation between yield to maturity ( return ) and years to maturity ( risk ) , so yield curve is an important analytical tool which serves as the basis of analysis of the trend of the interest rate and bond pricing . as the foundation of bonds investment , yield curve can be used to calculate the bid rate in the first market , select bonds and predict the open quotation price in the secondary market 证券市场最重要的问题是收益一风险的关系,而国债的收益一风险关系就体现在描述到期收益率(收益)一到期期限(风险)的国债收益率曲线上,该曲线所表示的关系就称做利率的期限结构。因而国债收益率曲线是国债研究最重要的分析工具,它为分析利率走势和进行市场定价提供了基本工具。而且国债收益率曲线是进行投资的重要依据,它可以为投资者在一级市场上确定国债的投标利率,在二级市场上对国债券种的选择及预测开盘价提供依据;同时也为政府发行国债,加强国债管理、实施货币政策和调节利率提供参考。
