GraniteShares YieldBoost MSTR ETF (MTYY) is an exchange-traded fund in the Derivative Income category. It has $1.64M in assets, an expense ratio of 1.07% and a 142.57% 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.