UBS Announces Latest Coupon Payments for ETRACS ETNs UBS has declared new coupon payments for 12 of its ETRACS Exchange Traded Notes, including products linked to MLP, BDC, and commodity indices. Notably, the MLPB and MLPR ETNs offer annualized yields of 5.92% and 9.57%, respectively. These variable yields reflect recent index distributions and market movements.12