How to build a CD ladder that maximises your interest rates while maintaining regular access to your money.
- Instead of putting $10,000 into a single 5-year CD, you divide it into five equal parts and open CDs with terms of 1, 2, 3, 4, and 5 years.
- When it does, you can either use the money if you need it or reinvest it into a new 5-year CD to keep the ladder going.
- For more frequent access, you could build a ladder with 3-month, 6-month, 9-month, and 12-month CDs.
The biggest drawback of certificates of deposit is the lack of flexibility. You lock your money away for a set term, and accessing it early triggers a penalty. A CD ladder solves this problem elegantly by staggering multiple CDs with different maturity dates, giving you the higher rates of longer-term CDs while ensuring a portion of your money becomes available at regular intervals.
How a CD Ladder Works
The concept is simple. Instead of putting $10,000 into a single 5-year CD, you divide it into five equal parts and open CDs with terms of 1, 2, 3, 4, and 5 years. Each year, one of your CDs matures. When it does, you can either use the money if you need it or reinvest it into a new 5-year CD to keep the ladder going.
After the initial 5-year setup period, you have a 5-year CD maturing every single year. All of your money is earning the higher rates associated with longer-term CDs, but you have annual access to one-fifth of your total investment. It is the best of both worlds.
Setting Up Your First Ladder
Decide on two things before you start: your total investment amount and your ladder spacing. A common structure uses 12-month intervals with terms of 1 through 5 years, but you can adjust the spacing based on how frequently you want access to funds.
For more frequent access, you could build a ladder with 3-month, 6-month, 9-month, and 12-month CDs. This gives you access to a portion of your money every quarter, though the shorter terms will earn lower rates. For maximum yield with less frequent access, extend the terms to 2, 4, 6, 8, and 10 years.
With your chosen structure, open all the CDs at the same time, each with an equal portion of your total investment. Set calendar reminders for each maturity date so you can make an active decision about reinvesting rather than letting the bank auto-renew at whatever rate they choose, which may not be competitive.
When a CD Matures
Each time a CD reaches its maturity date, you have a brief window (usually 7 to 10 days, called the grace period) to decide what to do with the funds. Your options are to reinvest into a new CD at the longest term in your ladder to maintain the structure, move the money to a savings account if you need the liquidity, or use it for a planned expense.
If you are maintaining the ladder for ongoing savings, reinvesting into a new long-term CD keeps the structure intact and your average yield high. The beauty of the system is that this decision point comes around regularly, so you are never more than one ladder interval away from accessing a portion of your funds.
CD Ladder vs High-Yield Savings
The decision between a CD ladder and a high-yield savings account depends on the rate environment. When CD rates are meaningfully higher than savings rates, a ladder captures that premium while maintaining periodic access. When rates are similar, the full flexibility of a savings account makes it the better choice.
A CD ladder also protects you in a falling rate environment. If the central bank cuts rates, your existing CDs continue earning their locked-in rates while savings account rates drop. This rate protection is one of the primary advantages of the ladder strategy.
Conversely, in a rapidly rising rate environment, a ladder means some of your money is locked into older, lower rates. The regular maturities mitigate this because you can reinvest each maturing CD at the new, higher rates, but the adjustment happens gradually rather than immediately.
Tax Considerations
Interest earned on CDs is taxable as ordinary income in the year it accrues, even in multi-year CDs where you do not receive the interest until maturity. Your bank will report the accrued interest on a 1099-INT each year. Factor this into your tax planning, especially if your ladder involves longer-term CDs with significant accrued interest.
For tax-advantaged savings, consider building a CD ladder inside an IRA. The interest grows tax-deferred in a traditional IRA or tax-free in a Roth IRA, eliminating the annual tax drag on your returns.
Building a Ladder on a Budget
You do not need a large sum to start a CD ladder. Many online banks offer CDs with minimums of $500 or even $0. A modest ladder with five CDs of $500 each is a perfectly valid starting point. As each CD matures, you can add additional funds before reinvesting, gradually growing the ladder over time.
The discipline of building and maintaining a CD ladder, even a small one, develops good savings habits and creates a structured approach to growing your money that many people find more motivating than simply adding to a savings account.
CD rates change frequently. Always compare current rates before opening or reinvesting. This is general information, not personalised financial advice. See our financial disclaimer for important disclosures.
A worked example
A $10,000 emergency fund in a 0.4% national-average savings account earns $40/year. The same $10,000 in a 4.5% high-yield savings account earns $450/year. Over 10 years (assuming rates stay similar), that's a difference of $4,100. Same FDIC coverage. Same liquidity. The only thing the high-yield account lacks is a branch network you don't need anyway.
Common mistakes to avoid
- Keeping emergency funds in checking. A high-yield savings account is just as liquid and earns 10-50× more interest.
- Saving in a brokerage account before maxing tax-advantaged retirement accounts. You're paying taxes on growth that you wouldn't owe in an IRA or 401(k).
- Not having any emergency fund at all and relying on credit cards. When the emergency hits and the card is maxed, you have a much bigger problem than the original event.
Frequently asked questions
How much should I have in emergency savings?
Three to six months of essential expenses is the conventional answer. The exact number depends on your situation: single-income household with kids = 6+ months. Dual-income with stable jobs = 3 months may be enough. Self-employed or commission-based = 6-12 months. Keep it in a high-yield savings account, not in stocks.
Is a high-yield savings account safe?
Yes, as long as it's at an FDIC-insured bank (or NCUA-insured credit union). Coverage is $250,000 per depositor per insured bank per ownership category. Online banks routinely offer 4-5% APY because they have no branches to operate - the FDIC coverage is identical to any traditional bank.
Should I use a savings account or a money market account?
For most people, a high-yield savings account is simpler and the APY is competitive. Money market accounts sometimes offer slightly higher rates and check-writing privileges, but they often have higher minimum balances. The difference is small - pick the one with the better APY at the time you open the account.
What's the difference between APR and APY?
APR is the simple annual rate. APY is the rate after compounding. A 5% APR compounded monthly is actually 5.12% APY because each month's interest earns interest the following month. When comparing savings accounts, always look at APY - that's what you'll actually earn.
Are CDs worth it?
When CD rates are above high-yield savings rates AND you don't need the money for the CD term, yes. A 12-month CD at 5% locks in that rate even if the Fed cuts rates next month. Building a 'CD ladder' (multiple CDs maturing at different times) gives you ongoing access to maturing principal while keeping most of it locked in.
Where this guide fits in
This article is part of the Chase The Dollar editorial library of practical money guides. We update guides as rules and rates change. If you spot a mistake or want us to cover a topic, the contact form is the fastest way to reach us.