The article is classifying and presenting the art market indexes, thus supplementing the knowledge about indexes and considering different measuring methods of return of investment on this market. It is also organising the knowledge about methods of measurement, such as indexes, which can be regarded as benchmarks. Due to the universal usage of indexes the benefits could be used both by individual and institutional investors, as well as the art collectors or analysts. Thanks to the provided ranking and indexes, conclusions on the advantages and disadvantages of each benchmark are presented and so are questions constituting the basis for future empirical research. Indexes are determined as one of the key measurement tools for testing investments, risks, volume of trade and market trends on the new, but still little known art market in Poland.