USYC by Circle jumps 41% in 30 days, hitting $2.2B market cap to become the top tokenized U.S. Treasury globally According to rwa.xyz, Circle's tokenized money market fund USYC has reached a total market cap of $2.2 billion, with a 41.16% growth over the past 30 days. With a 19.88% market share, USYC has now risen to become the largest tokenized U.S. Treasury fund in the world.