It provides an overview of the money market, including definitions, key participants, instruments, and objectives. The money market refers to trading in very short-term debt investments.Travis Credit Union's Money Market Accounts give you the best of both worlds. The money markets can be characterized as having securities that trade in one year or less, are of large denomination, and are very liquid. The money market allows participants like banks, corporations, and government entities to borrow and lend short-term funds. Money markets represent shortterm lending while capital markets allow investors to trade in stocks and bonds. Money market is not a place but an activity.