The proposed ETFs would “magnify the performance” of a reference spot Bitcoin ETF — which is yet to receive a decision from the SEC.
Source: https://cointelegraph.com/news/tuttle-capital-proposes-6-leveraged-etf-magnify-spot-bitcoin-etf
Tuttle Capital proposes 6 ETFs that ‘magnify’ spot Bitcoin ETF performance
January 4, 2024
CoinTelegraph