CD Ladder Calculator
Build a CD ladder strategy for better liquidity while maximizing returns.
CD Interest Rates (%)
Why Use a CD Ladder?
Better liquidity: Instead of locking all your money in one long-term CD, you have regular access to funds as each rung matures.
Interest rate hedging: Spread across multiple terms, so you benefit if rates rise (reinvest at higher rates) or fall (locked in older higher rates).
Maintaining the ladder: When a CD matures, reinvest it into the longest term to keep the ladder going and maintain the highest rates.
FDIC protection: Each CD is insured up to $250,000 per depositor per bank. Spread across banks if your ladder exceeds this.
How to Build and Maintain a CD Ladder
Building a CD ladder is straightforward once you understand the concept. You divide your total investment equally among CDs with staggered maturity dates. A classic 5-year ladder uses five CDs with terms of 1, 2, 3, 4, and 5 years. Each year, as one CD matures, you reinvest it into a new 5-year CD at the longest available rate, maintaining the ladder indefinitely.
Step-by-step example: With $50,000, invest $10,000 in each of five CDs: 1-year, 2-year, 3-year, 4-year, and 5-year terms. After year one, the 1-year CD matures. Reinvest that $10,000 plus interest into a new 5-year CD. Now all your CDs have 1-4 years remaining, and a CD will mature every year going forward, giving you annual access to funds while earning longer-term rates.
CD ladder vs. high-yield savings: CD ladders typically offer higher rates than savings accounts because you are committing your money for a fixed term. The trade-off is reduced liquidity. However, a well-structured ladder provides regular access to funds (each year when a rung matures) while earning rates 0.25-0.75% higher than the best savings accounts. Over a $50,000 balance, that difference can be $125-$375 more in annual interest.
When to break a CD early: Most CDs charge an early withdrawal penalty of 3-6 months of interest. In an emergency, it is sometimes worth breaking a CD early rather than taking on high-interest debt. Calculate the penalty versus the cost of the alternative before deciding. Some banks also offer no-penalty CDs with slightly lower rates for those who want more flexibility.
Frequently Asked Questions
Should I build a CD ladder when interest rates are falling?
A CD ladder can actually be advantageous when rates are falling. Your longer-term CDs lock in today's higher rates before they drop. Without a ladder, you would be forced to reinvest your entire balance at the new lower rate when your single CD matures. The ladder provides protection against rate declines by having some of your money locked in at the older, higher rates.
Are CDs a good place for my emergency fund?
A CD ladder can hold a portion of your emergency fund but should not be your only source of emergency savings. Keep 1-2 months of expenses in a high-yield savings account for immediate access. Additional months of emergency savings can go into a CD ladder for slightly higher returns, since you have the savings account as a buffer while waiting for the next CD to mature.
What is the difference between a CD and a Treasury bill?
Both are low-risk, fixed-term investments, but they differ in key ways. CDs are issued by banks and insured by the FDIC up to $250,000. Treasury bills are issued by the US government and backed by its full faith and credit. T-bill interest is exempt from state and local taxes, which can make them more attractive in high-tax states. CDs often offer slightly higher nominal rates to compensate for this tax disadvantage.
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