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What Types of Money Market Deposit Accounts Are Available?

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What Types of Money Market Deposit Accounts Are Available?

Financial institutions make money market deposit accounts (MMDAs) available in many variations. They vary by the minimum deposit required, the maturity, the interest or dividend rates paid out, and how the earnings rates are determined. A variety of names are used to describe MMDA accounts, for example, "money market plus account," "money market advantage account," "money market certificate," and similar terms.

Things To Know

  • Money market accounts go by a variety of different names.

Indexed MMDA rates are tied to the average yields of US Treasury bills.

Money market certificates and IRAs

Money market certificates are a hybrid of MMDAs and certificates of deposit. When they were first issued decades ago, they had a fixed maturity of six months and required a minimum deposit of $2,500. Interest or dividend rates were based on the average yields of US Treasury bills. This changed with the deregulation of the 1980s, and now each institution may set its own maturity, yield, and minimum deposit.

MMDAs used as individual retirement accounts are called money market IRAs. Because individual retirement account contributions and earnings may be tax-deductible or tax-deferred, these accounts have restrictions on when funds can be withdrawn.