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Grayscale Ethereum Staking Mini ETF (ETH) vs Osprey Bitcoin Trust (OBTC)

How Grayscale Ethereum Staking Mini ETF (ETH) vs Osprey Bitcoin Trust (OBTC) compare on our ratings, crypto etf specs, funding, pros and cons.

Grayscale Ethereum Staking Mini ETF (ETH)4.1/5
VS
Osprey Bitcoin Trust (OBTC)2.8/5
Feature
Grayscale Ethereum Staking Mini ETF (ETH)Visit
Osprey Bitcoin Trust (OBTC)Visit
Ratings
Our score4.1/52.8/5
User ratingNo reviews yetNo reviews yet
Fees4.52.5
Size & liquidity4.02.5
Issuer & custody4.03.5
Structure & tracking3.54.0
Extras (staking, options)4.52.0
Specs
TickerETHOBTC
IssuerGrayscaleOsprey Funds
HoldsEtherBitcoin
StructureSpot ETFGrantor trust
Expense ratio0.15%0.49%
Assets under management$1.79B as of July 2026$61.8M
Listed onNYSE ArcaNasdaq
Launch date2024-07-232025-12-19
CustodianCoinbase Custody Trust Company and Anchorage Digital Bank N.A.Not disclosed
Stakes its holdings Yes No
MarketUnited StatesUnited States
Company
Founded20242019
HeadquartersUnited StatesUnited States
InvestorsNot disclosedNot disclosed
Strengths and weaknesses
Pros
  • Low 0.15% annual expense ratio with no temporary waiver expiration
  • Stakes ether holdings to pass 94% of staking yield into NAV
  • Uses two institutional custodians including Coinbase Custody and Anchorage Digital
  • Deep secondary market liquidity with roughly $69M in daily volume in July 2026
  • Trades directly on Nasdaq under ticker OBTC
  • Backs shares with 100% spot Bitcoin rather than futures contracts
  • Eligible for tax-advantaged US retirement accounts like IRAs
  • 0.49% total annual expense ratio
Cons
  • No custodian recourse or compensation for validator slashing losses
  • Sponsor and partners deduct 6% from gross staking rewards
  • Shareholders cannot redeem shares for physical ether
  • Not registered under the Investment Company Act of 1940
  • Modest fund size of about $61.8M compared to larger spot Bitcoin ETFs
  • Median 30-day bid-ask spread of 0.42% increases trading friction
  • No option for shareholders to withdraw physical Bitcoin directly
  • Exempt from protections provided by the Investment Company Act of 1940
Best forUS brokerage account holders, Retirement and IRA ether exposure, Cost-sensitive spot ether investorsUS brokerage account holders, Retirement account crypto allocations, Investors seeking spot Bitcoin tracking

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