Odaily Planet Daily News According to Trader T monitoring, BlackRock and Fidelity's two Bitcoin funds are among the top 10 ETFs in terms of capital inflows so far this year: - Highest return rate: IBIT and FBTC have the highest return rate since the beginning of the year, reaching 45.5%; - Rich liquidity: IBIT's 30-day trading volume is close to QQQ, which is very important for large transactions.