金融界3月4日消息，A股三大指数收盘涨跌不一，中证信用债0-1年AA指数 (信用债0-1AA，931217)报205.60点。
数据统计显示，中证信用债0-1年AA指数近一个月上涨0.14%，近三个月上涨0.22%，年至今上涨0.24%。
据了解，中证信用债细分指数系列共34条指数，包括4条信用评级细分指数，6条期限细分指数，24条期限与信用评级交叉细分指数。指数采用市值加权计算，反映相应期限、级别信用债的市场表现。该指数以2007年12月31日为基日，以100.0点为基点。
从债项评级分布来看，中证信用债0-1年AA指数持仓97.40%为“AA”级债券，2.11%为“AA+”级债券，0.11%为“AA-”级债券，0.38%为“AAA”级债券。
资料显示，中证信用债细分指数系列样本每月调整一次，定期调整生效日为每月首个交易日，定期调整数据提取日为生效日前一个交易日。遇临时调整时，若样本发生摘牌等事件，视情况自事件生效之日起剔除出指数；样本发生其他事件，参照计算与维护细则处理。
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