Roundhill Weekly T-Bill ETF (WEEK) is an exchange-traded fund in the Ultrashort Bond category. It has $172.00M in assets, an expense ratio of 0.19% and a 3.75% dividend yield. The fund seeks to achieve its investment objective to provide weekly distributions of current income through investments in U.S. Treasury Bills that have a maturity of between 0 and 3 months at the time of purchase. Under normal conditions, the fund will invest at least 80% of its net assets (plus any borrowings for investment purposes) in T-Bills. The fund is non-diversified.