CacheMatrix Adds "24/7 Trading and Future-Dated Trading Capabilities" Says Press Release. Denver-based CacheMatrix Holdings LLC, which provides "institutional money market fund trading technology to financial institutions", such as Comerica, US Bank, and Barclays, announced around the clock trading and future-dated trading enhancements to its portal platform. The enhancements are "aimed at helping CacheMatrix's bank and financial services customers better serve their multinational corporate clients."