Tuttle has applied for a single-stock ETF called "Crypto Blast," aiming to combine put spreads with crypto ETFs.

Bloomberg analyst Eric Balchunas tweeted that Tuttle has submitted an application for a single-stock ETF called "Crypto Blast," which proposes to implement a weekly payback strategy on the underlying stock while investing unmargined cash in cryptocurrency ETFs tracking BTC, ETH, and SOL.