The Long Cramer Tracker ETF has gained about 2.2% since its inception five months ago.
U.S. regulators have yet to approve a spot-Bitcoin ETF.
Views diverge on how long the central bank will keep rates high.
Buffer funds can shield against a wide range of losses should their respective gauges drop.
Traders dumped $3.1 billion from the Invesco QQQ Trust Series 1 ETF on Friday.
The bulk of that inflow comes from a $787 million cash influx last week.
Investors in the flagship ARK Innovation ETF have mostly been left out of this year's blistering 161.58% rally.
The fund invests in 'harder to reach' bonds such as high-yield and emerging market debt.
The structure allows mutual funds to act like ETFs by generating returns for investors while minimizing taxes.
All but one of ARK's U.S.-listed ETFs have experienced net outflows thus far in 2023.