TLDR:Cboe BZX Exchange filed to list the first US 3x Bitcoin and Ether ETFs on August 10, 2026.The proposed funds would use CME Bitcoin and Ether futures to target triple daily returns.Bitcoin spot ETFs posted $57.63 million in net outflows on August 14, a third straight day.Spot Ether ETFs recorded zero net inflows or outflows on the same trading day, SoSoValue data shows.Cboe BZX Exchange has filed a proposal with the SEC. The filing seeks approval for the first triple-leveraged Bitcoin and Ether ETFs in the United States. It was published on August 14 after being submitted on August 10.Approval would mark a new milestone for leveraged crypto products on a major US exchange.Cboe Seeks Approval for 3x Bitcoin and Ether ETFsThe proposed rule change targets two funds from Volatility Shares. One is a 3x Bitcoin ETF. The other is a 3x Ether ETF. Both funds would aim to deliver three times the daily performance of their underlying assets.To reach that target, the funds plan to rely primarily on futures contracts. They would hold CME Bitcoin futures and CME Ether futures as their core exposure. Cash collateral would support the futures positions day to day. This structure lets issuers offer leveraged exposure without holding spot crypto directly.Cboe Seeks SEC Approval for First US 3x Bitcoin and Ether ETFsAccording to The Block, the SEC published a notice on August 14 stating that Cboe BZX Exchange had filed a proposed rule change to list and trade Volatility Shares' 3x Bitcoin ETF and 3x Ether ETF, which could become… pic.twitter.com/r6HYypHHc6— Wu Blockchain (@WuBlockchain) August 15, 2026Cboe’s generic listing standards do not permit leveraged products by default. That restriction means the exchange needs separate SEC approval before either fund can trade. The same filing also covers 3x leveraged ETFs tied to gold, silver, crude oil, and natural gas. Regulators have not yet ruled on any part of the application.Because the funds use daily reset leverage, they sit outside standard 1940 Act fund rules. Instead, they are expected to operate as commodity pools regulated by the CFTC. That setup differs from how most spot Bitcoin and Ether ETFs are structured today. Volatility Shares already runs several other leveraged products across different asset classes.Bitcoin ETF Outflows Continue as Ether Funds Stay FlatSpot Bitcoin ETFs recorded a net outflow of $57.63 million on August 14. The figure comes from data tracked by SoSoValue. It marked the third consecutive day of net redemptions from the Bitcoin ETF category. Investors have pulled back steadily even as new leveraged products move through regulatory review.Spot Ether ETFs told a different story on the same trading day. SoSoValue data showed zero net inflows or outflows across all Ether funds. Not a single dollar moved in or out of the category. The flat reading stands in sharp contrast to the persistent Bitcoin outflows recorded that week.Bitcoin Spot ETFs See $57.63M Net Outflow, Ether ETFs Record Zero FlowsAccording to SoSoValue data, on August 14 (ET), spot Bitcoin ETFs recorded a total net outflow of $57.63 million, marking the third consecutive day of net outflows. Spot Ether ETFs recorded zero net inflows… pic.twitter.com/v6AeNoCVsK— Wu Blockchain (@WuBlockchain) August 15, 2026The timing places Cboe’s leveraged ETF push against a backdrop of cooling spot demand. Bitcoin funds have shed capital for three straight sessions. Ether funds, meanwhile, show no clear directional pull from investors right now. Whether the SEC approves the new 3x products remains an open question heading into the fall.The post Cboe Files for 3x Bitcoin and Ether ETFs Amid BTC ETF Outflows appeared first on Blockonomi.