Odaily News According to official data, as of September 26, Circle has issued about $2.5 billion USDC in the past 7 days, redeemed about $1.8 billion USDC, and increased the circulation by about $700 million. The total circulation of USDC is $36.2 billion, and the reserve is $36.5 billion, of which about $4.8 billion is in cash, and the Circle Reserve Fund holds about $31.6 billion.