Bond Index Remark : 1. Commercial Paper Indices are categorized into 3 types based on different securities composition in their calculation baskets. For instance, the calculation basket of Commercial Paper Index (AA- up) is composed of selected commercial papers of the issuers with rating AA- and above. 2. The base dates of Commercial Paper Indices are 1 September 2006. 3. For the manual of Commercial Paper Index , please click here.