Graniteshares YieldBOOST Gold Miners ETF (NUGY) is an exchange-traded fund in the Derivative Income category. It has $7.37M in assets and an expense ratio of 1.07%. The fund will invest at least 80% of its net assets (plus any borrowings for investment purposes) in derivatives contracts that utilize the Underlying Leveraged ETF as their reference asset. The fund is non-diversified.