A spot Bitcoin ETF gives you BTC, full stop. A crypto index ETF holds a basket — around three-quarters of which is bitcoin anyway. Here is when each makes sense.
TL;DR. Spot crypto index ETFs exist in the US and have done since early 2025 — BITW, NCIQ, EZPZ and GDLC all trade on US exchanges and hold the coins themselves. They cost more than a Bitcoin ETF (0.19% to 0.75% against 0.25% for IBIT) and, critically, they are mostly bitcoin anyway: three-quarters or more of every one of these baskets is BTC. If you want bitcoin, buy a Bitcoin ETF. If you want the long tail in one ticker without managing it, an index ETF is a reasonable, cheap-enough way to get it.
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The US spot crypto index ETFs
| Ticker | Fund | Exchange | Fee | Assets | Launched |
|---|---|---|---|---|---|
| BITW | Bitwise 10 Crypto Index ETF | NYSE Arca | 0.75% | ~$775M | Trust since 2017, uplisted 2025 |
| NCIQ | Hashdex Nasdaq CME Crypto Index ETF | Nasdaq | 0.25% | ~$505M | 13 Feb 2025 |
| EZPZ | Franklin Crypto Index ETF | Cboe BZX | 0.19% | ~$16M | 20 Feb 2025 |
| GDLC | Grayscale CoinDesk Crypto 5 ETF | NYSE Arca | 0.59% | ~$442M | Trust since 2018, uplisted 2025 |
Figures as of 24 September 2026. All four hold the underlying crypto assets directly — none of them is futures-based. NCIQ's own disclosure is explicit: the fund "invests directly in the crypto assets and will not utilize leverage and derivatives."
The basket is mostly bitcoin
This is the fact that decides the question for most people. BITW's holdings on 22 September 2026:
- Bitcoin 75.66%
- Ether 14.51%
- XRP 4.34%
- Solana 3.00%
- Hyperliquid 0.95%
- Cardano, Chainlink, Stellar, Litecoin, Sui — 1.5% between them
EZPZ is similar: 76.78% bitcoin, 12.62% ether, 5.34% XRP, 3.62% solana. GDLC holds only the five largest assets — bitcoin, ether, solana, BNB and XRP. Market-cap weighting in a market this top-heavy does not produce much diversification; it produces a Bitcoin ETF with a 20-25% satellite attached.
The structural differences
| Dimension | Bitcoin ETF (IBIT) | Crypto index ETF (BITW) |
|---|---|---|
| Asset exposure | 100% bitcoin | ~76% BTC, rest across nine assets |
| Expense ratio | 0.25% | 0.75% |
| Structure | Exchange-traded product | Exchange-traded product |
| Rebalancing | None — single asset | Index rebalances; weights drift with prices |
| Tax wrappers | Any brokerage account, IRA, 401(k) | Same — it is a listed ETF |
| What you are buying | A view on bitcoin | A view on "crypto as an asset class" |
The bitcoin-specific case
If your thesis is bitcoin as a monetary asset, you do not want the rest of the basket. The non-bitcoin quarter is a different bet with different drivers, and in an index fund you cannot size it yourself or drop the parts you disagree with. The full argument for the single-asset wrapper is in Bitcoin ETF vs spot Bitcoin.
The diversified case, and the build-your-own alternative
If you genuinely want the asset class rather than the asset, an index ETF buys you one ticker, market-cap weighting you do not have to maintain, and access to assets that do not all have their own US wrapper. EZPZ at 0.19% costs less than a Bitcoin ETF and is the cheapest way to own that basket.
The alternative is to assemble it: a spot Bitcoin ETF for the core, a spot Ethereum ETF for ether, and the spot Solana and XRP ETFs that have traded since late 2025 for the next two. Blended cost lands in the same range, you choose the weights, and you rebalance on your own schedule rather than the index's. What you give up is the tail — the tenth-largest asset in BITW is 0.17% of the fund and does not have a US ETF of its own.
For the bitcoin/ether split specifically, see Ethereum ETF vs Bitcoin ETF allocation.
FAQ
What's the difference between a Bitcoin ETF and a crypto index fund?
A spot Bitcoin ETF holds only bitcoin. A crypto index ETF holds a market-cap-weighted basket — in practice around three-quarters bitcoin, 13-15% ether and single-digit weights in XRP, solana and a handful of others. Both are listed ETFs holding the assets directly; the index products cost between 0.19% and 0.75%.
Is BITW a Bitcoin ETF?
No. BITW is the Bitwise 10 Crypto Index ETF, holding the ten largest crypto assets by market cap. Bitcoin was 75.66% of it on 22 September 2026, with ether at 14.51% and eight smaller positions making up the rest. It trades on NYSE Arca at a 0.75% fee.
Should I buy a Bitcoin ETF or a crypto index fund?
If you want bitcoin, buy the Bitcoin ETF — the index funds are mostly bitcoin anyway, at a higher fee in three of the four cases. The index route earns its keep only if you specifically want the smaller assets and do not want to hold four or five tickers to get them.
Why is BITW's fee higher than a Bitcoin ETF's?
BITW charges 0.75% against 0.25% for IBIT. Running a multi-asset basket costs more than running one: several custody relationships, index licensing and periodic rebalancing. Note that the cheapest crypto index ETF, Franklin’s EZPZ at 0.19%, is actually cheaper than the big Bitcoin ETFs.
Are there spot crypto index ETFs available in the US?
Yes — at least four. Hashdex’s NCIQ (February 2025) and Franklin’s EZPZ (February 2025) launched as ETFs; Grayscale’s GDLC and Bitwise’s BITW were existing trusts that uplisted to US exchanges during 2025. All four hold the underlying crypto directly rather than futures.
Sources and further reading
- SEC company registry: Bitwise 10 Crypto Index ETF (CIK 1723788), Grayscale CoinDesk Crypto 5 ETF (1729997), Hashdex Nasdaq CME Crypto Index ETF (2031069), Franklin Crypto Trust (2033807).
- Fund fees, assets and holdings — stockanalysis.com, 24 September 2026.
- Internal: Bitcoin ETF vs spot Bitcoin, ETH ETF vs BTC ETF allocation, Portfolio allocation.
À titre informatif uniquement. Ceci n’est pas un conseil en investissement.
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