Total return index of municipal bonds is a weighted index of bonds issued by the constituent entities of the Russian Federation and municipalities, admitted to trading on the Moscow Exchange. It reflects the dynamics and profitability of subfederal and municipal bonds of the Russian Federation with a duration of 3 years or more and a long-term credit rating from A-(RU)/ruA- to A+(RU)/ruA+, assigned by the national rating agencies ACRA and Expert RA. Source: Moscow Exchange https://www.moex.com/en/indices