18-month certificates of deposit
18-Month CDs: What to Know Before You Choose
An 18-month CD sits between one- and two-year terms — a little more commitment than a 1-year CD, without stretching to multiple years.
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Where an 18-month term fits
If you're unsure whether rates will rise or fall, a term between one and two years can be a middle path. It reduces how often you need to reinvest compared to short CDs, while limiting how long you're locked in.
Penalties grow with term length
Banks usually tie early withdrawal penalties to the term — longer CDs often carry larger penalties, such as six months of interest instead of three. On an 18-month CD, calculate what an early withdrawal would cost before you commit.
Add-on and bump-up features
Some institutions offer 18-month CDs with special features, such as allowing additional deposits or one rate increase during the term. These features can come with a lower starting rate, so compare the overall value rather than the feature alone.
May suit savers who…
- Want longer than a year but under two
- Prefer fewer reinvestment decisions
- Have a goal roughly 18 months away
Things to check
- Penalty size relative to expected interest
- Conditions attached to bump-up or add-on features
- Maturity date relative to when you'll need funds
18-month CD questions
Rates, minimums and penalties are set by each provider and can change at any time. CDRateWise does not display unverified rates. FDIC insurance applies to eligible deposits at FDIC-insured banks up to applicable limits. This page is general information, not financial advice.
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