According to the source, REX-Osprey has launched the first U.S. ETH staking ETF under a 1940 Act structure; this has not been corroborated on SEC EDGAR or through an issuer press release at the time of writing (source: U.S. SEC EDGAR public database; issuer disclosures). U.S. spot ETH ETFs approved in 2024 explicitly stated they would not stake ETH in SEC-filed prospectuses, so any staking-enabled ETF would represent a material regulatory shift requiring clear SEC filings and exchange notices (source: SEC spot ETH ETF prospectuses and 19b-4 approvals in 2024). Traders should wait for verifiable filings such as a Form N-1A or N-2, an effective prospectus, a CIK on EDGAR, a ticker/CUSIP, and an NYSE/Nasdaq listing notice before positioning on this headline (source: U.S. SEC EDGAR; U.S. exchange listing notices).