If you've glanced at a savings comparison site lately, you've probably seen certificate of deposit (CD) rates that look almost too good to be true — some well above 4%, and a handful of credit unions advertising numbers that dwarf anything on offer at a traditional brick-and-mortar bank. Before you move money, it pays to understand exactly what those numbers mean, where the catches might hide, and how to confirm you're really getting what the headline promises.

APY vs. interest rate: the number that actually matters

Every CD listing shows at least one percentage figure. Many show two. The one you should focus on is the Annual Percentage Yield, or APY. APY accounts for compounding — the process by which interest earned during one period is added to your balance and itself begins earning interest. A CD that compounds daily will produce a slightly higher effective return than one that compounds monthly, even if both advertise the same stated (or nominal) interest rate.

Interest rate (nominal rate)
The base rate the bank promises to pay, before compounding is factored in.
APY (Annual Percentage Yield)
The effective annual return after compounding. This is the apples-to-apples number for comparing CDs.
Term
How long your money is locked in — commonly 3, 6, 9, 12, 18, 24, or 60 months.
Minimum deposit
The lowest opening balance an institution will accept for that CD.
Early-withdrawal penalty
A fee — typically 60 to 180 days of interest — charged if you withdraw before maturity.

A quick example: a CD with a 4.75% stated rate compounding daily will produce an APY of approximately 4.86%. That half-percentage-point gap is real money on a $50,000 deposit. Always compare APY to APY, never nominal rate to APY.

What today's highest CD rates actually look like

As of Jun 29, 2026 — and you should confirm any rate directly with the institution or via a live tool before acting, because rates change daily — our comparison feed is showing some notable offers. PenAir Credit Union is listing a 14.90% APY on a 60-month CD with no minimum deposit. California Coast Credit Union shows 9.50% APY across terms ranging from 3 months to 5 years with a $500 minimum. FastBreak by LoanMart appears at 5.00% APY, and Pibank and Suncoast Credit Union are both near 4.50–4.60% APY.

Rates above 6–7% from an FDIC- or NCUA-insured institution are rare. When you see one, dig into the fine print: introductory bonuses, membership requirements, balance caps, and deposit-only account conditions can all affect what you actually earn.

A double-digit APY from a federally insured credit union is unusual enough to warrant scrutiny. That doesn't mean the offer is fraudulent — credit unions occasionally run promotions to attract new members — but you should read every disclosure carefully. Ask: Is this rate available on any deposit amount, or only the first $500? Is the rate guaranteed for the full term, or is it a teaser that resets? Is membership in the credit union open to you based on where you live or work?

Understanding FDIC and NCUA insurance

One of the biggest advantages CDs hold over other yield-bearing instruments is federal deposit insurance. CDs held at banks are insured by the Federal Deposit Insurance Corporation (FDIC); those at credit unions are insured by the National Credit Union Administration (NCUA). Both provide coverage up to $250,000 per depositor, per institution, per ownership category — meaning a joint account between two people at one bank can be insured for up to $500,000 in that ownership category.

That insurance is provided by the issuing institution's federal backing — not by any comparison platform or financial-technology service. If you're unsure whether a specific institution is covered, you can verify bank membership at fdic.gov and credit union membership at mycreditunion.gov.

Short-term vs. long-term CDs: which offers better value right now?

In a normal rate environment, longer-term CDs pay more than shorter ones to compensate you for locking up your money. In an inverted yield-curve environment — where short-term rates exceed long-term rates — the opposite can be true, and a 6-month CD might actually out-yield a 5-year CD.

Today's top 12-month offers, such as Bask Bank's 4.40% APY on a 1-year CD (as of Jun 29, 2026; confirm before acting), give you rate certainty for a year without surrendering access to your principal for half a decade. Whether that trade-off makes sense depends on your view of where rates are headed and when you'll actually need the money.

  • Short-term CDs (3–12 months): better if you think rates will rise further or if you might need the money relatively soon.
  • Medium-term CDs (13–36 months): a middle path that locks in a known yield without a multi-year commitment.
  • Long-term CDs (48–60 months): worthwhile if current long-term rates are high and you're confident you won't need the funds early.
  • No-penalty CDs: let you withdraw early without a fee — usually offered at a slightly lower rate than traditional CDs of the same term.

How to compare rates effectively

  1. Identify your term. Decide how long you can leave the money untouched. Your answer immediately narrows the field.
  2. Filter by APY, not rate. Sort comparison results by APY to ensure you're comparing on the same basis.
  3. Check the minimum deposit. A 5.00% APY offer requiring $100,000 is irrelevant if you have $10,000 to deploy.
  4. Read the penalty schedule. Confirm what early withdrawal costs — commonly expressed as a number of days of interest.
  5. Verify insurance status. Confirm the institution is FDIC- or NCUA-insured at the official government websites.
  6. Check membership requirements. Credit union CDs often require you to join first; confirm eligibility before applying.
  7. Confirm the rate directly. Call or visit the institution's website the day you plan to open the account. Rates in any comparison feed reflect data at a specific moment.

The most important step is the last one. A rate that was accurate at 9 a.m. may be gone by noon. Always get a direct confirmation from the issuing bank or credit union before transferring funds.

A note on structured CD products

Some financial platforms offer products that bundle multiple CDs into a single investment vehicle — sometimes structured as a special-purpose vehicle (SPV). These are categorically different from a plain bank CD: they are not FDIC- or NCUA-insured deposits, they may involve manager risk, and they can carry risk of principal loss. If you encounter such an offering, read the offering documents carefully and consider speaking with a licensed financial adviser. This article is general education; nothing here is personalized financial, tax, or legal advice.

The highest CD rates right now are coming from credit unions and online banks — not the big national chains. Eligibility and fine print vary widely, so doing your homework is worth every minute.

Ready to see which institutions are offering the highest CD rates for your target term and deposit amount right now? Use the live rate comparison tool at /preview/secure-returns/compare/ to filter by term, minimum deposit, and institution type — and always confirm the rate directly before opening an account.