On Tuesday, the Fed allotted $73.12 billion in overnight reverse repos to 31 bidders, including Wall Street dealers, money market mutual funds and mortgage finance agencies, also at an interest rate of 0.05 percent.
The overnight interest rate in the repurchase agreement, or repo, market was last quoted at 0.19 percent to 0.21 percent, compared with 0.16 percent on Tuesday, according to ICAP.
In the repo market, money funds and other investors make short-term loans to banks and Wall Street dealers. Banks and dealers pledge Treasuries and other securities as collateral.