Odaily News According to official data, as of September 19, Circle has issued about $2.7 billion USDC in the past 7 days, redeemed about $2.5 billion USDC, and increased the circulation by about $200 million. The total circulation of USDC is $35.5 billion, and the reserve is $35.7 billion, of which about $4.6 billion is in cash, and the Circle Reserve Fund holds about $31.2 billion.