🤝 BFF Take
IBIT Is Lower-Risk Within Crypto — ETHA Is a Higher-Volatility Ethereum Bet
IBIT (iShares Bitcoin Trust) and ETHA (iShares Ethereum Trust) are BlackRock's spot crypto ETFs — the first regulated, easy-access vehicles for Bitcoin and Ethereum in US brokerage accounts. Both charge 0.25%. IBIT is the larger of the two with $40B+ in AUM, reflecting Bitcoin's status as the dominant crypto asset. ETHA is smaller and tracks Ethereum, which has higher volatility and a more complex utility story — smart contracts, DeFi, staking. For most investors, if you want crypto exposure at all, Bitcoin (IBIT) is the more established starting point. ETHA makes sense for investors who specifically believe in Ethereum's ecosystem vs just crypto-as-digital-gold.
📋 Quick Takeaways
₿IBIT holds Bitcoin — the dominant, most liquid crypto asset with $1T+ market cap and institutional adoption
🔷ETHA holds Ethereum — higher volatility, smart contract utility, but smaller and more speculative than BTC
💰Both charge 0.25% — expense ratio is not a differentiator; the asset itself is the entire decision
📊 Data-Based Take: IBIT has the lower fee
Whether the lower-cost fund suits your situation depends on your existing holdings, account type, tax situation, and how you use each fund. This is a cost comparison, not a personalized recommendation.
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Reviewed by a CFA® Charterholder · Data updated Jun 2026 · Educational only, not financial advice
IBIT
iShares Bitcoin Trust ETF
ETHA
iShares Ethereum Trust ETF
📋 IBIT vs ETHA — Key Facts Side by Side
| Metric |
IBIT |
ETHA |
| Fund Name |
iShares Bitcoin Trust ETF |
iShares Ethereum Trust ETF |
| Issuer |
BlackRock |
BlackRock |
| Tracks Index |
Bitcoin Spot Price |
Ethereum Spot Price |
| Expense Ratio |
0.25% |
0.25% |
| Cost per $10K/yr |
$25.00 |
$25.00 |
| AUM |
$42B |
$3B |
| Holdings |
1 |
1 |
| Inception |
2024 |
2024 |
| 1-Year Return |
+38.50% |
+12.40% |
| 3-Year Return |
— |
— |
| 5-Year Return |
— |
— |
| Avg Bid-Ask Spread |
0.01% |
0.03% |
Data from ETF BFF database. Returns are annualised. Not investment advice.
📊 IBIT vs ETHA — Annualised Returns
Annualised returns (trailing, price-based). Past performance does not guarantee future results.
🎯 Should You Buy IBIT or ETHA?
Choose if...
IBIT
- You already use BlackRock and prefer staying within their fund family
Choose if...
ETHA
- You already use BlackRock and prefer staying within their fund family
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❓ IBIT vs ETHA — Frequently Asked Questions
Should I buy IBIT or ETHA?
IBIT (Bitcoin) is the more established crypto investment — larger market, more institutional adoption, simpler "digital gold" narrative. ETHA (Ethereum) is a bet on Ethereum's smart contract platform — DeFi, NFTs, tokenized assets. If you're new to crypto ETFs, IBIT is the more conventional starting point. ETHA is for investors who specifically believe in Ethereum's technology ecosystem vs just crypto price exposure.
What is the difference between Bitcoin and Ethereum as investments?
Bitcoin is often framed as "digital gold" — a store of value, inflation hedge, and monetary asset with a fixed 21M supply. Ethereum is a programmable blockchain — it powers DeFi, NFTs, and smart contracts, and ETH is used as gas to run applications. Bitcoin has higher market cap and liquidity. Ethereum has more utility and development activity but also more competitive threats from other smart contract platforms.
Are IBIT and ETHA safe investments?
Both are regulated US ETFs from BlackRock, so the custody and regulatory structure is sound. However, the underlying assets — Bitcoin and Ethereum — are highly volatile. Both have experienced 60-80% drawdowns in bear markets. They are not appropriate as core holdings for conservative investors. Position size should reflect the speculative nature of crypto assets.
Which crypto ETF has better liquidity — IBIT or ETHA?
IBIT is substantially more liquid with $40B+ in AUM vs ETHA's $3B. IBIT trades hundreds of millions of dollars daily and has tight bid-ask spreads. ETHA is liquid enough for retail investors but has noticeably wider spreads. For large institutional positions, IBIT's liquidity advantage matters more.
Can I hold both IBIT and ETHA?
Yes. Some investors hold both to get exposure to the two dominant crypto assets simultaneously. A common split is 70/30 or 60/40 in favor of Bitcoin, reflecting its larger market share. The correlation between BTC and ETH is high (both tend to fall together in risk-off markets), so combining them does not provide much diversification within the crypto allocation — it's more about asset selection than risk reduction.
New to ETF investing? See answers to the most common ETF questions →
📄 IBIT & ETHA Fact Sheets
ℹ️ Data shown is for educational purposes and may not reflect the most current figures. Returns are trailing price-based and exclude dividend reinvestment. Past performance does not guarantee future results. ETF BFF is not a licensed financial advisor — this is not personalized financial advice.