Start with what the product actually owns
A brokerage share provides an exposure to bitcoin, but it does not give a retail investor a private key or a spendable bitcoin balance. A spot trust, a futures fund and a leveraged product have different sources of return. This guide compares unleveraged U.S. exchange-traded products; availability depends on the broker, account, residence and local distribution rules.
The SEC statement of January 10, 2024 approved listing and trading of spot bitcoin ETP shares. It expressly distinguished that action from endorsing bitcoin or the products' custody arrangements. Exchange listing does not remove the asset's volatility, hacking, custody or regulatory-change risks.
Two named examples, with different mechanics
| Question | IBIT: spot trust | BITO: futures fund |
|---|---|---|
| Exposure | Bitcoin held by the trust | Futures and swaps; no direct bitcoin holding |
| Published annual fee | 0.25% sponsor fee | 0.95% expense ratio |
| Important performance difference | Custody, expenses and share price versus asset value | Contract pricing, rolling exposures, collateral and distributions |
| 1940 Act status | Not registered as an investment company under that Act | Investment Company Act fund protections apply |
Fees and structures were checked on the IBIT issuer page and BITO issuer page on September 11, 2026. They are examples, not a ranking. On an assumed constant $10,000 asset value, the published percentages represent approximately $25 and $95 a year. That $70 difference is only an expense comparison, not a forecast of their return difference.
A futures contract can trade above or below spot. Replacing expiring exposure at a different futures price affects results, while collateral income may offset some costs. BITO distributions must be included in total-return comparisons: comparing its price chart alone with a spot trust can omit cash distributed to shareholders.
A premium can matter more than a small fee difference
Assume a spot trust has $50.00 net asset value per share and a buyer pays $50.50. The initial premium is $50.50 / $50.00 − 1 = 1%. Later the underlying asset value rises 10% to $55, but the share sells at that value with no premium. The investor's return is $55 / $50.50 − 1 = 8.91% before other costs, rather than 10%.
This hypothetical example isolates the premium effect; it does not assume a persistent arbitrage opportunity. Compare the live bid, ask and indicative asset value at the same time. A limit order controls the maximum purchase price but may not execute. Bitcoin can move while the exchange is closed, so yesterday's trust NAV is not a current weekend exit price.
Keep trust tax records, not just the share-sale confirmation
For U.S. federal tax purposes, the IBIT 2025 annual filing, Taxation of the Trust and U.S. Shareholders describes intended grantor-trust treatment. Shareholders are treated as owning a proportional share of underlying assets; income, expenses and dispositions can pass through. Selling bitcoin to meet trust expenses can therefore require records even when the investor has not sold shares. Follow the issuer's applicable-year tax statement and reconcile basis by lot.
This treatment should not be copied mechanically to a futures fund, an IRA or a non-U.S. tax return. A retirement account's eligibility and withdrawal rules also remain separate from permission to trade a ticker. A workplace plan does not necessarily offer every listed security.
Choose the operational exposure you can actually maintain
Direct custody permits on-chain transfers but requires key and transaction management. A brokerage product transfers those tasks to intermediaries while retaining counterparty and access risks. For direct crypto services used in Japan, the Financial Services Agency registration information is a separate check; it is not an endorsement of a U.S. ETP.
Before comparing a shortlist, record legal structure, holdings, annual charges, spread at the intended order size, tax-document requirements and whether the account permits the trade. Then model an asset-price decline and a temporary inability to trade. This answers a practical question that an assets-under-management league table cannot: whether the wrapper changes costs and administration in a way that fits the intended use. No product discussed here is a purchase recommendation.
Sources checked September 11, 2026. Examples are hypothetical unless a dated observation is identified. General information, not an instruction to trade. Investment disclaimer.
References
5- Approval of spot bitcoin ETP listings (opens in a new tab) SEC · January 10, 2024; checked 2026-09-11
- IBIT structure and sponsor fee (opens in a new tab) BlackRock · Current document; checked 2026-09-11
- BITO holdings, fees and distributions (opens in a new tab) ProShares · Current document; checked 2026-09-11
- IBIT Form 10-K: federal tax discussion (opens in a new tab) iShares · Year ended December 31, 2025; checked 2026-09-11
- Crypto-asset service registration information (opens in a new tab) FSA · Current document; checked 2026-09-11
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