Tax-free money market funds fell by $4.31 billion to $482.42 billion for the week ending Feb. 16, according to the Money Fund Report, a service of iMoneyNet.com of Westborough, Mass.

The average seven-day simple yield for the 508 tax-free money funds in the report experienced a slight increase to 0.31%, up from last week's record low of 0.28%. The average maturity increased to 28 days from 27 days.

Subscribe Now

Independent and authoritative analysis and perspective for the bond buying industry.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.