Project income from a CD ladder.
Annual interest income
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Per-rung amount
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Annual liquidity (1 CD matures)
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Your breakdown
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Solving the yield-versus-access tradeoff
A certificate of deposit pays more than a savings account because you agree to lock the money up. Longer terms pay more still. The catch is obvious: tie everything up in a five-year CD and you cannot touch a dime without an early-withdrawal penalty if life intervenes. A CD ladder is the elegant fix. Instead of one big CD, you split the money into rungs that mature in staggered years, so a portion always comes due soon while the rest keeps earning the higher long-term rate.
The classic structure spreads equal slices across one through five year terms. Each year, one rung matures. You either spend it or roll it into a fresh five-year CD at the top of the ladder. After the ladder is fully built, you are holding five-year CDs that mature one per year, capturing close to the long end of the yield curve while still freeing up cash annually. This tool sizes the rungs, projects the annual interest, and shows how much liquidity each year delivers.
Building a $100,000 five-rung ladder
Take the defaults: $100,000 to invest, an average APY of 5 percent across the rungs, and 5 rungs. Each rung holds $100,000 divided by 5, which is $20,000. At a blended 5 percent rate the ladder generates $100,000 times 0.05, or $5,000 of interest in a year. The liquidity figure is what makes the strategy practical: every year one $20,000 rung matures and returns to you, plus the interest it earned, so you are never more than twelve months from a meaningful chunk of cash.
What the rungs look like
The chart shows the five equal rungs by maturity year. Each holds the same $20,000, but they come due in successive years. The teal rung is the one maturing first, the slice you can access within a year. As each matures you reinvest it at the five-year end, keeping the staircase intact.
Who a ladder suits, and the small print
CD ladders fit savers who want a better yield than a savings account on money they will not need all at once, but who also refuse to gamble it in the market. Think of an emergency reserve beyond your immediate cushion, a house down payment a few years out, or a retiree's near-term spending. A tip worth knowing: in a falling-rate environment a ladder cushions you, because only one rung reprices each year rather than the whole balance resetting at once. In a rising-rate world the opposite is true, and a shorter ladder lets you capture climbing rates faster.
The piece people overlook is taxes. CD interest is fully taxable as ordinary income in the year it is credited, even if you let it compound inside the CD and never withdraw it. The bank reports it on Form 1099-INT, and it flows onto Schedule B if your total interest tops $1,500. There is no preferential rate as there is for long-term capital gains, so a CD ladder is often more tax-efficient inside an IRA than in a taxable account. The other watch item is the early-withdrawal penalty: break a CD before maturity and you typically forfeit several months of interest, which is exactly the situation the ladder is designed to help you avoid.
How is a CD ladder different from a bond ladder?
The structure is the same staggered-maturity idea, but the instruments differ. CDs are bank deposits, are FDIC insured up to the coverage limits, and have a fixed early-withdrawal penalty. Bonds carry interest-rate and credit risk, can be sold on the open market at a gain or loss before maturity, and are not FDIC insured. CDs trade some yield and flexibility for that deposit insurance.
Are CD ladders worth it when rates are high?
They can be, but with a tilt. When short-term rates are elevated, a shorter ladder of one to three year rungs lets you keep rolling into high rates while staying liquid. A longer ladder locks in today's rate for years, which is a feature if you expect rates to fall and a drawback if you expect them to keep climbing. Match the ladder length to your rate view and your need for access.
What happens to a CD when it matures?
Most banks give you a short grace period, often seven to ten days, to decide. You can withdraw the principal and interest, or let it automatically renew. The trap is the auto-renewal: it often rolls into the same term at whatever rate is current, which may be far below market. Set a calendar reminder so a maturing rung gets reinvested deliberately rather than defaulting into a mediocre rate.