EXCLUSIVE: The SEC is likely to allow the first U.S. Bitcoin futures ETF to begin trading next week,

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Are there any other ETFs out there based on CME futures?

A lot of the commodity ETFs just hold CME futures, take a look at USO for example, their target portfolio is here. Most of the leverage and inverse funds are also using futures, and although based on CBOE rather than CME futures Proshare's volatility ETFs like VIXY, UVXY, IXM, and SVXY purely hold futures contracts in a ratio listed for each fund.