GraniteShares YieldBOOST SMCI ETF (SMYY) is an exchange-traded fund in the Derivative Income category. It has $5.98M in assets, an expense ratio of 1.07% and a 130.60% dividend yield. The fund will invest at least 80% of its net assets in derivatives contracts that utilize the Underlying Leveraged ETF as their reference asset. The fund is non-diversified.