During the third quarter of 2026, the USDC stablecoin recorded $40.2 billion in trading volume on decentralized exchanges during weekends. This activity occurred while traditional banking systems were closed for transfers.
The total trading volume across all decentralized exchanges in Q3 2026 reached approximately $721.7 billion. Stablecoins like USDC and USDT accounted for a significant portion of this market activity.
Flashloans on platforms such as Base and Aerodrome accounted for 23% of USDC activity. These transactions involve borrowing and repaying funds within a single operation without requiring collateral.
By the end of September 2026, the circulating supply of USDC reached approximately $74.6 billion. During the same period, the total stablecoin market supply was estimated between $304 billion and $311 billion, with USDC and USDT holding an 85% share.
In certain periods of 2026, USDC accounted for approximately 77% of the adjusted transfer volume across various chains. Daily weekend stablecoin transfers reached up to $38 billion, comparable to the average daily transaction volume of Visa.
