GraniteShares YieldBOOST COIN ETF (COYY) is an exchange-traded fund in the Derivative Income category. It has $17.15M in assets, an expense ratio of 1.07% and a 200.91% dividend yield. The fund will invest at least 80% of its net assets (plus any borrowings for investment purposes) in derivatives contracts that utilize the underlying COIN ETF as the reference asset. The fund is non-diversified.