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We determined that there is some overloading going on in the ontology that munges the notion of a fixed basket with the notion of a basket of consumer goods and services. To address this we raised issue IND-101, which says "Need to distinguish the notion of a consumer basket from one that consists of instruments and/or indices".
We are also missing the expression required to calculate market capitalization. We have capitalization-based weighting function but not the connection to the expression that would calculate the market cap of the consituents of the index. See IND-102 for this one.