The money market involves the purchase and sale of large volumes of very short-term debt products, such as overnight reserves or commercial paper.

An individual may invest in the money market by purchasing a money market mutual fund, buying a Treasury bill, or opening a money market account at a bank.

Money market investments are characterized by safety and liquidity, with money market fund shares targeted at a certain rate.

Money market accounts offer higher interest rates than a normal savings account, but there are higher account minimums and limits on withdrawals.

They include: