CD rates are fixed after opening but can change for new accounts at any time. The quoted APYs below are tied to official effective dates and should be rechecked immediately before funding. Verify a current official source →
A CD decision starts with the date you can afford to lose liquidity, not with the largest APY in a rate table. A high yield is useful only when the term, early-withdrawal rule and maturity process fit the job you assigned to the money.
On September 30, 2026, Capital One and Marcus offered several concrete examples of how unusual term pricing can be: Capital One's 11- and 14-month 360 CDs were both 4.30% APY as of September 28, while Marcus listed an 18-month High-Yield CD at 4.35% and an 11-month No-Penalty CD at 4.00% as of September 30. The highest rate is not necessarily tied to the longest term.
Match the term to a known future use, not to a vague hope that you will not need the cash.
Price the early-withdrawal penalty in dollars or choose a no-penalty structure when flexibility matters.
Confirm the opening minimum, funding deadline and whether the quoted rate locks at application or funding.
Calendar the grace period so an automatic rollover does not trap the money in an unwanted new term.
Current CD examples by term and flexibility
Convert the term choice into actual dollars
Assuming the quoted APY stayed fixed for the CD term and the account was held to maturity, $20,000 in an 11-month CD at 4.30% APY would grow by roughly $787. At 4.00% APY for 11 months, the same balance would grow by about $732, a difference of roughly $55. That spread is real, but it is smaller than many people expect when they see a 0.30 percentage-point gap.
A longer term can magnify the commitment. $15,000 at 4.35% APY for 18 months works out to roughly $989 of interest under a simple APY-based projection. The calculation is useful only if you can actually leave the principal locked for the full term. If an early withdrawal triggers a penalty, the realized return can be materially lower.
Early-withdrawal rules can reverse the apparent rate advantage
Traditional CDs commonly penalize an early principal withdrawal, and the amount can depend on term length. Capital One states that early-withdrawal penalties apply to 360 CDs and provides the detailed schedule in its disclosures. Marcus distinguishes its standard High-Yield CDs from its No-Penalty CD, where the entire balance can be withdrawn after the initial seven-day period.
A no-penalty CD therefore competes partly with savings, not just with another CD. You give up some yield in exchange for an exit option. For money that might become a home down payment, tax payment or emergency reserve before maturity, that option can be more valuable than a small extra APY on a locked certificate.
Maturity instructions deserve their own calendar event
Many CDs automatically renew if you do nothing during the grace period. Capital One publishes a 10-day grace period after maturity for its 360 CDs. Ally also notes automatic renewal for its CD products. A renewal may occur at the bank's then-current rate and potentially into a term you would not have chosen if you had compared the market again.
Set two reminders: one several weeks before maturity to compare alternatives and another on the maturity date to confirm the bank received your instructions. Treating maturity as an administrative event reduces the risk of accidentally starting a new lockup period.
A simple CD ladder can reduce reinvestment risk
Instead of putting all fixed-term money into one maturity, a ladder spreads maturities across dates. For example, a $40,000 allocation could be split into four $10,000 CDs maturing around 6, 12, 18 and 24 months. As each one matures, you can spend it, move it to savings, or reinvest at the far end of the ladder.
The ladder is not automatically better than a single CD. It is useful when you want some rate certainty without making every dollar illiquid until the same date. In an inverted rate environment, shorter promotional terms may even pay more than longer terms, so use the live rate table rather than assuming maturity length and APY move together.
Questions to resolve before opening
Should I pick the highest APY regardless of term?
No. First eliminate terms that mature too late for the money’s purpose. Then compare APY, minimums and withdrawal rules among the remaining terms.
When does a no-penalty CD make sense?
When you want a fixed rate but are not comfortable giving up access for the full term. Compare the no-penalty APY with a liquid savings account and with the extra yield of a standard CD.
What happens when a CD matures?
The bank typically provides a grace period in which you can withdraw, add or change instructions. If you do nothing, many CDs automatically renew under the bank’s current terms. Verify the exact rule in your disclosure.
Continue with the underlying account research
Original and official sources
Terms, rates, fees and eligibility can change. These are the first-party or regulator pages used for the dated figures in this file; the institution's current disclosure controls if it differs from this summary.
Editorial verdict
The strongest CD is the one that pays a competitive fixed rate for a period you can actually honor. In the current September 2026 rate set, neighboring terms can price very differently, so there is no reason to default mechanically to 12 months or to the longest available maturity.
Capital One’s 11- and 14-month 4.30% APYs and Marcus’s 18-month 4.35% APY are useful examples of competitive fixed-rate options, while Marcus and Ally no-penalty products show the value of preserving an exit. The yield difference should be translated into dollars before you surrender flexibility.
Choose the maturity date, document the penalty and set a renewal reminder before funding. If the money has a plausible near-term job, compare a no-penalty CD or high-yield savings account before accepting a standard early-withdrawal penalty.