Understanding Certificates of Deposit
A certificate of deposit (CD) is a type of savings account that holds a fixed amount of money for a fixed period of time, known as the term. In exchange for locking up your money, the bank pays you a higher interest rate than a standard savings account. When the CD matures at the end of the term, you receive your original deposit plus the accumulated interest.
CDs are offered by banks and credit unions and are FDIC-insured up to $250,000 per depositor, per institution. They are considered one of the safest investments available because both the interest rate and the return of your principal are guaranteed.
How CDs Work
When you open a CD, you agree to deposit a specific amount for a specific term, which can range from a few months to several years. The bank sets a fixed interest rate at the time of purchase that remains constant throughout the term. Common terms include 3 months, 6 months, 1 year, 2 years, 3 years, and 5 years.
If you withdraw your money before the CD matures, you will typically pay an early withdrawal penalty. This penalty varies by institution but often equals several months of interest. When your CD matures, you usually have a grace period of 7 to 10 days to withdraw your funds, roll them into a new CD, or let the bank automatically renew the CD at the current rate.
Types of CDs
Traditional CDs offer a fixed rate for a fixed term. High-yield CDs, typically from online banks, offer above-average rates. No-penalty CDs allow you to withdraw your full balance before maturity without a penalty, though they usually offer slightly lower rates than traditional CDs.
Bump-up CDs let you increase your rate once during the term if the bank raises its rates. Step-up CDs automatically increase the interest rate at predetermined intervals. Jumbo CDs require larger minimum deposits, often $100,000 or more, in exchange for higher rates. Brokered CDs are purchased through brokerage firms and can be traded on the secondary market.
CD Laddering Strategy
A CD ladder is a strategy where you divide your savings across CDs with different maturity dates. For example, you might invest equal amounts in 1-year, 2-year, 3-year, 4-year, and 5-year CDs. As each CD matures, you reinvest it in a new 5-year CD, eventually having all your money in higher-yielding 5-year CDs with one maturing every year.
This strategy provides a balance between the higher rates of longer-term CDs and the liquidity of shorter terms. You always have a CD maturing relatively soon, giving you regular access to a portion of your savings without paying early withdrawal penalties.
When CDs Make Sense
CDs are ideal when interest rates are high and you want to lock in a guaranteed rate before rates potentially decline. They work well for money you do not need for a specific period, such as funds earmarked for a down payment in two years or college tuition in three years.
CDs may not be the best choice if you might need the money unexpectedly, since early withdrawal penalties reduce your returns. They also may underperform during periods of rising interest rates, as your money is locked in at the older, lower rate. Compare CD rates against high-yield savings accounts, as sometimes the difference is minimal while savings accounts offer full liquidity.
How to Choose the Best CD
Compare APY rates across multiple institutions, focusing on online banks and credit unions that typically offer the highest rates. Consider the term length carefully based on when you will need the money. Evaluate early withdrawal penalties, as they vary significantly between banks.
Check minimum deposit requirements, which can range from $0 to $10,000 or more. Look at the bank's automatic renewal policy and grace period. Consider whether special CD types like no-penalty or bump-up CDs fit your needs better than traditional CDs, even if their rates are slightly lower.