Circle processed $32 trillion in USDC transfers, yet 95% of its revenue relies entirely on interest rates

Adjusted USDC transfer volume reached $32 trillion in 2026 through Coin Metrics' August measurement, with each dollar of supply turning over 741 times at an annualized rate. Those figures signal reach and settlement intensity. Circle's second-quarter revenue, however, remained dominated by yield on the assets backing USDC.For the three months ended June 30, reserve income supplied $667.7 million of Circle's $701.3 million in total revenue and reserve income, or 95.2%. Transaction revenue was $5.3 million. Volume is a usage signal; balances and yields still determine most of Circle's revenue base.Arc, Circle's blockchain infrastructure scheduled for a Sept. 16 public mainnet launch, is the company's clearest attempt to build a direct fee surface around some of that activity. Its test is whether traffic can become retained recurring revenue.How USDC transfer volume is generatedCoin Metrics described the $32 trillion as adjusted USDC transfer volume in 2026 through its August analysis, not consumer payments, unique economic settlement or a full-year total. Its annualized velocity estimate measures how often supply moves relative to its size.The composition of that movement matters. Co...