Generated October 17, 2026.
Overview
BITB and FBTC are both ETFs providing direct exposure to bitcoin held in custody. They track the same underlying asset and launched on the same date, but differ in issuer, asset base, and fee structure. Both are designed to offer straightforward spot bitcoin exposure without the custody or operational friction of holding the cryptocurrency directly.
How they differ
The biggest difference is scale: FBTC has $14.7B in assets under management versus $3.07B for BITB, giving Fidelity's fund a substantially larger footprint in the bitcoin ETF market. FBTC's expense ratio of 0.25% is 0.05% basis points higher than BITB's 0.20%, though both fees are competitive for spot bitcoin exposure. The funds are functionally identical in structure—both hold bitcoin in custody and distribute no income—so the choice hinges on fee preference, issuer trust, and available trading venues rather than strategic differences.
Who each is best for
BITB: Investors who value a lower expense ratio and are comfortable with a newer, smaller bitcoin ETF from a crypto-specialized manager. Fits allocation strategies where fee minimization on spot bitcoin exposure is a priority.
Key risks to know
- Bitcoin price volatility: Both funds have a beta near 1.884, meaning they move roughly in lockstep with bitcoin's price swings. Holders face the full force of cryptocurrency market dislocations, including intraday drawdowns that can exceed 20% in severe market stress.
- Regulatory and custody risk: Bitcoin remains an unregulated commodity. Changes in U.S. regulatory treatment, state-level restrictions, or questions about the status of spot bitcoin ETFs themselves could affect fund viability and asset holders' legal standing.
- Liquidity and trading spreads in stress scenarios: Although both funds launched recently and have grown quickly, their relative newness means limited history through severe crypto downturns. Trading activity could thin significantly during panic selling, widening the cost to enter or exit positions. If you favor a larger, well-established issuer with greater institutional backing and AUM, FBTC's $14.7B and Fidelity's brand carry their own weight. Both are tax-efficient (no distributions means no annual income tax on unrealized gains), but neither protects against bitcoin's inherent volatility or the regulatory uncertainty that surrounds cryptocurrency assets. Past performance doesn't predict future results.
AI-generated analysis for educational purposes only. Verify important details independently; past performance does not guarantee future results.