The UBS ETRACS 1x Monthly Short Alerian MLP Infrastructure Total Return Index ETN (MLPS) tracks the Alerian MLP Infrastructure Total Return Index (AMZIX).
AMZI is an index that consists of the top ~25 American energy infrastructure MLPs, which primarily engage in energy commodity transport and processing.
The Alerian MLP ETF (AMLP) is one of the top ETFs tracking the US energy and natural resources sector. This series provides a key overview of AMLP and its top four components.