Alerian mlp index
Midstream master limited partnerships (MLPs), as measured by the Alerian MLP Index (AMZ), ended. September up 0.7% on a price basis and once distributions The Alerian MLP Index is the leading gauge of energy infrastructure Master Limited Partnerships (MLPs). The capped, float-adjusted, capitalization-weighted index, whose constituents earn the majority of their cash flow from midstream activities involving energy commodities, is disseminated real-time on a price-return basis (AMZ) and on a total-return basis (AMZX).