For over 8 years, we have been publishing in collaboration with Intelium, Escrow.com and ShortNames.com the Liquid Market Report, a comparative analysis of the performance of Liquid Domains (a subset of domains including 2L, 3L and numeric .com domains), versus other asset classes like Gold, Bitcoins, Real Estate, as well as stocks such as Verisign and GoDaddy:
https://ggrg.com/the-breakfast-club/