Over the last seven days, the stablecoin sector posted a slight contraction of $90.01 million, bringing the market’s total valuation to $323.052 billion, according to figures compiled by Defillama. Tether continues to dominate the category, with its market capitalization sitting just below the $190 billion threshold at $189.468 billion, accounting for 58.65% of the stablecoin economy’s combined value.
As the broader crypto economy weathered a widespread pullback this week, the stablecoin sector recorded roughly $90.01 million in net outflows. As of Saturday, May 23, 2026, the market stands at $323.052 billion, with several of the top ten stablecoin contenders posting declines, defillama.com stats show. Tether ( USDT) registered a slight weekly decline of 0.12% over the past seven days.
At the same time, Circle’s USDC maintained its position as the second-largest stablecoin by market capitalization, holding a valuation of $76.619 billion despite posting a 0.58% dip on the week. Taking the third spot is Sky’s USDS, which carries a market capitalization of $8.861 billion while posting a positive seven-day gain of 0.79%.
Meanwhile, World Liberty Financial’s USD1 has firmly secured fourth place, reaching a market cap of $4.801 billion and recording the strongest weekly expansion among the top five stablecoins with a 6.20% increase. Roughly $281 million in inflows poured into USD1 during the period.













