Defiance BMNR Option Income ETF (NYSE Arca: YBMN) is an actively managed exchange-traded fund that seeks to generate weekly income through a proprietary options overlay strategy on Bitmine Immersion Technologies, Inc. (NASDAQ: BMNR), a blockchain technology company focused on digital asset mining, hosting operations, and Ethereum treasury strategies; the fund provides investors with consistent distributions and up to 80% exposure to BMNR while aiming for upside participation and risk-adjusted returns. YBMN employs a Multi-Engine Income Architecture featuring three tiers: a Core Income Engine utilizing weekly option writing for premium capture; a Volatility Harvesting Engine with algorithmic approaches to collect premiums across volatility regimes; and a Capital Preservation Engine leveraging real-time market inputs for optimized strike selection to mitigate NAV erosion. The ETF operates in the thematic ETF segment targeting income-oriented investors exposed to cryptocurrency volatility via public equity, with shares traded on the NYSE Arca exchange.
Launched in November 2025 through a strategic partnership with Milliman Financial Risk Management LLC as sub-advisor, YBMN represents Defiance ETFs' innovative entry into options-based income products linked to high-volatility blockchain equities; Milliman provides expertise in derivatives overlay management, volatility modeling, and institutional risk controls to implement the fund's strategy. Defiance ETFs, founded in 2018 and headquartered at 78 Southwest 7th Street, 5th Floor, Miami, Florida, serves as the ETF sponsor, with Tidal Investments LLC acting as investment adviser and Foreside Fund Services LLC as distributor. This launch follows Defiance's recent introduction of the related Defiance Daily Target 2X Short BMNR ETF (BMNZ) in November 2025, expanding its suite of over 50 thematic, income, and leveraged ETFs focused on next-generation investment themes.