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A CD ladder is a way to divide money among certificates of deposit with different maturity dates instead of placing the entire amount in one CD. The goal is to create regular maturity points while still using longer-term CDs for part of the money.
How a basic CD ladder works
- Choose the total amount that does not need immediate liquidity.
- Divide it among several maturities.
- When the shortest CD matures, decide whether to reinvest it at the longest rung.
- Continue as later CDs mature.
What problem a ladder tries to solve
A single long-term CD can lock money away at one rate. A single short-term CD preserves flexibility but may earn less. A ladder creates staggered access dates and reduces the risk of committing all the money at one rate and one maturity.
Reinvestment risk
When a CD matures, the available rate may be lower than the rate you had before. A ladder does not eliminate reinvestment risk; it spreads maturity dates over time.
Interest-rate risk in a deposit context
If rates rise after you lock a CD, your existing fixed rate can become less competitive. If rates fall, locking part of the money earlier may look favorable. A ladder spreads those decisions instead of making one all-or-nothing rate bet.
Liquidity still matters
Traditional CDs may charge early-withdrawal penalties. A ladder is not a substitute for emergency savings. Keep money likely to be needed soon in an appropriately liquid account.
Automatic renewal can disrupt the plan
Some banks automatically renew maturing CDs if you do not act during a grace period. Track maturity dates and renewal terms so a rung does not roll into an unwanted term.
Deposit insurance
CDs are deposit products at FDIC-insured banks, but insurance applies under ownership-category and per-bank limits. A ladder does not create additional insurance merely because the same depositor owns multiple CDs at the same bank in the same ownership category.
Brokered CDs are different
Brokered CDs can have different liquidity, settlement, and market-value characteristics from bank CDs purchased directly. If you use them in a ladder, understand the issuing bank, maturity, call features, and insurance treatment.
A ladder is not automatically better
A savings account, money market deposit account, Treasury securities, or another approach can be more appropriate depending on liquidity, taxes, rates, and goals. A CD ladder is a structure, not a guaranteed best choice.
Continue learning
Read CDs Explained, Savings Account vs. Money Market Account, and use the Savings Goal Calculator.
Sources & methodology
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Sources, dates, and methodology matter.
EconomicHQ prioritizes primary sources for consequential financial and economic claims and identifies reporting periods for changing information. This article is educational and does not provide individualized financial, investment, tax, legal, or credit advice.