How to compare IBIT vs. FBTC? (Key Differences)

Asset Composition and Underlying Holdings

1. IBIT holds exclusively Bitcoin (BTC) as its underlying asset, with no exposure to other cryptocurrencies or cash equivalents.

2. FBTC also maintains a 100% Bitcoin reserve but employs a custodial structure involving Fidelity’s internal custody services rather than third-party providers like Coinbase Custody used by IBIT.

3. Both funds report daily holdings on their official websites, yet FBTC discloses wallet addresses for on-chain verification while IBIT relies on attestations from its custodian.

4. IBIT includes minor cash balances for operational liquidity—typically less than 0.1% of total assets—whereas FBTC aims for zero cash drag, maintaining full BTC exposure at all times.

5. The Bitcoin held by FBTC is stored across multiple cold storage vaults managed directly by Fidelity, whereas IBIT’s BTC resides in segregated accounts under Coinbase Custody’s institutional infrastructure.

Fees and Expense Ratios

1. IBIT launched with an initial expense ratio of 0.12%, later reduced to 0.10% following scale-driven fee adjustments announced in Q2 2024.

2. FBTC began trading with a 0.25% annual fee, which was lowered to 0.20% in early 2024 and further trimmed to 0.12% in June 2024 after surpassing $10 billion in AUM.

3. Neither fund charges creation or redemption fees for authorized participants, though standard broker-dealer transaction costs apply for retail investors.

4. IBIT’s fee schedule includes a tiered structure where fees drop below 0.10% if AUM exceeds $25 billion—a threshold not yet reached as of mid-2024.

5. FBTC does not currently offer a tiered fee model; its expense ratio changes are discretionary and tied to Fidelity’s internal cost optimization decisions.

Liquidity and Trading Volume

1. IBIT consistently ranks among the top three most actively traded spot Bitcoin ETFs, averaging over $2 billion in daily volume during peak market periods.

2. FBTC regularly trades between $800 million and $1.5 billion per day, placing it fourth or fifth in average daily volume behind IBIT, BITO, and GBTC.

3. Bid-ask spreads for IBIT typically range from 2 to 5 basis points during normal market hours, narrowing further during high-volatility events due to robust AP participation.

4. FBTC exhibits slightly wider spreads—often between 4 and 7 basis points—attributed to lower secondary market maker density and fewer arbitrage participants.

5. IBIT benefits from BlackRock’s Aladdin ecosystem integration, enabling real-time risk analytics and algorithmic order routing that enhances intraday liquidity efficiency.

Creation/Redemption Mechanics

1. IBIT permits in-kind creations and redemptions exclusively in Bitcoin, requiring APs to deliver or receive BTC directly without cash substitution.

2. FBTC allows both in-kind and cash-based creations, though cash creations are subject to a premium/discount tolerance band enforced by Fidelity’s NAV calculation methodology.

3. IBIT’s basket file is published daily before market open and includes precise UTXO-level instructions for custodial transfers.

4. FBTC publishes its basket one business day in advance and permits flexibility in selecting specific UTXOs, provided they meet minimum age and confirmation thresholds.

5. Redemption delays for IBIT are generally T+1 under normal conditions, while FBTC may extend redemptions to T+2 during periods of elevated network congestion or custody reconciliation load.

Common Questions and Answers

Q: Does IBIT distribute dividends or yield?IBIT does not generate income or distribute dividends. It is a pure spot Bitcoin vehicle with no lending, staking, or yield-generating components.

Q: Can retail investors redeem shares of FBTC directly for Bitcoin?No. Only authorized participants with established custody relationships and compliance approvals may initiate redemptions. Retail investors must sell shares on exchange.

Q: Are the Bitcoin holdings of IBIT insured?Coinbase Custody provides crime insurance covering theft, but not loss due to private key mismanagement, smart contract failure, or market collapse.

Q: How often does FBTC publish its holdings breakdown?FBTC discloses its full Bitcoin wallet inventory and transaction history daily via its public transparency portal, updated within two hours of market close.