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21Shares Files S-1 for Spot SEI ETF, Weighs Staking Option

The move puts 21Shares into a crowded race for altcoin ETFs during an SEC review cycle that runs into October.

Overview

  • 21Shares’ Aug. 28 filing outlines a passive fund that tracks the CF SEI-Dollar Reference Rate without using leverage or derivatives.
  • The proposed trust names Coinbase Custody Trust Company as custodian and Coinbase Inc. as prime broker, with creations and redemptions available in cash or in-kind.
  • The prospectus leaves open staking a portion of SEI to earn rewards, while cautioning that legal, regulatory and tax questions remain unresolved.
  • The application enters a competitive field that includes Canary Capital’s earlier SEI S-1 and Cboe’s 19b-4 for a staked SEI product, alongside broader filings for Solana, XRP and other tokens.
  • SEI’s price briefly rose toward $0.31 after the news before some data showed selling pressure and a pullback toward the $0.28–$0.30 range.