Crane 100 Money Fund Index at 3.51%
Money fund yields (7-day, annualized, simple, net) were up 1 basis point to 3.51% on average during the week ended Friday, September 4 (as measured by our Crane 100 Money Fund Index), after increasing 1 bp the week prior. Fund yields should remain flat in coming days (and weeks) unless and until the Fed moves rates higher. Yields were 3.49% on 7/31/26, 3.47% on 6/30 and on 3/31, 3.58% on 12/31/25, 4.13% on 6/30/25 and 4.28% on average on 12/31/24. MMFs averaged 5.20% on 12/31/23. The broader Crane Money Fund Average, which includes all taxable funds tracked by Crane Data (currently 724), shows a 7-day yield of 3.41%, unchanged in the week through Friday. Prime Inst money fund yields were unchanged at 3.61% in the latest week. Government Inst MFs were unchanged at 3.50%. Treasury Inst MFs were up 1 bp at 3.49%. Treasury Retail MFs currently yield 3.26%, Government Retail MFs yield 3.23% and Prime Retail MFs yield 3.39%, Tax-exempt MF 7-day yields were down 22 bps to 1.87%. Assets increased $11.7 billion in the week through Friday, and they've increased by $11.7 billion in September month-to-date (through 9/4). But assets remain below their all-time record high of $8.404 trillion hit on July 6, according to our Money Fund Intelligence Daily. MMF assets increased $52.8 billion in August, decreased by $61.4 billion in July, increased by $58.6 billion in June, $208.6 billion in May, decreased by $108.8 billion in April, $49.3 billion in March, increased by $99.5 billion in February, $32.9 billion in January, $126.3 billion in December, $132.8 billion in November, $142.1 billion in October and $105.2 billion last September. Weighted average maturities were at 39 days for the Crane MFA and 39 days the Crane 100 Money Fund Index. According to Tuesday's Money Fund Intelligence Daily, with data as of Friday (9/4), just 157 money funds (out of 835 total) yield under 3.0% with $191.4 billion in assets, or 2.3%, while the vast majority (678) of funds yield between 3.00% and 3.99% ($8.162 trillion, or 97.7%). No funds yield over 4.0%. Our Brokerage Sweep Intelligence Index, an average of FDIC-insured cash options from major brokerages, was unchanged at 0.29%, after falling 1 bp fifteen weeks prior. The latest Brokerage Sweep Intelligence, with data as of September 4, shows no changes over the past week. Four of the 10 major brokerages tracked by our BSI offer rates of 0.01% for balances of $100K (and lower tiers). These include: E*Trade, Merrill Lynch, Morgan Stanley and Schwab.
