very good Money Market Fund

just found a very good money market fund rate PRTXX from T Rowe price APY is about 5.35%.

有出处吗？

https://www.nasdaq.com/market-activity/mutual-fund/prtxx

7 Day Yield： 5.1125

它家自己的网页给出两个数字 https://www.troweprice.com/financial-intermediary/us/en/investments/mutual-funds/us-products/us-treasury-money-fund.html

7-Day Annualized Simple： 5.11%

7-Day Annualized Compound: 5.24%

但通常说的 7 Day Yield 指的是前者。