The YieldMax RBLX Option Income Strategy ETF (RBLY) is an exchange-traded fund that mostly invests in communication services equity. The fund seeks to provide current income and capped gains on the Roblox Corporation stock (RBLX) through a synthetic covered call strategy, collateralized by cash and US Treasurys. The actively managed fund uses both standardized exchange-traded and FLEX options RBLY was launched on Jul 28, 2025 and is issued by YieldMax.