Weekly reporting municipal bond mutual funds had a net outflow of $2.285 billion during the period ending Oct. 15, AMG Data Services reported.
The results were down from a $1.106 billion outflow the previous week, and represents both the largest outflow from the sector on record and the fourth straight outflow after 27 consecutive inflows, according to the Arcata, Calif.-based fund tracker.
The four-week moving average for all muni bond funds - which includes the monthly reporters - moved to a $1.06 billion outflow from a $468.5 million outflow.
Taxable bond funds that report weekly had a $12.6 billion net outflow following a $7.5 billion outflow the week before.
Weekly reporting equity funds had an outflow of $9.9 billion after a $5.2 billion outflow the previous week.