The ETFs address a rising market demand for high current income in a low-cost, tax-efficient structure, the firm said last week.
NJNK is managed by Daniel DeYoung, a high yield senior portfolio manager, and David Janssen, a multi-sector fixed income portfolio manager. HYSD is managed by Brett Kaufman and Kris Keller, senior portfolio managers on the high yield team.
NJNK has a 0.46% expense ratio and HYSD has a 0.44% expense ratio.
"We believe that high yield bonds have an important role to play in a diversified portfolio and that that investors should consider making a long-term allocation to the asset class to capture the high levels of income that it can offer," DeYoung said in a statement.