With the Federal Reserve signaling continued rate cuts through 2026 and 2027, high-yield savings accounts are already giving back gains. The best HYSAs have slipped from 5%+ to 4–4.5% — and that slide isn't done. A certificate of deposit lets you freeze today's rate for months or years, turning a narrowing window into a guaranteed return. If you have cash you won't need immediately, a CD opened now is one of the few moves in personal finance that gets less attractive the longer you wait.

The best CD offers in May 2026 are still paying 4.50%–5.10% on terms from 6 months to 5 years. That's guaranteed, FDIC-insured interest — no market risk, no rate volatility, no surprises. Here's where the best rates are, who should get them, and how to build a CD ladder if you want both yield and flexibility.

What Is a Certificate of Deposit?

A certificate of deposit (CD) is a time-deposit account offered by banks and credit unions. You agree to leave a fixed amount of money on deposit for a fixed term — typically 3 months to 5 years. In exchange, the bank pays you a higher, guaranteed interest rate than a standard savings account. When the term ends (called maturity), you get your principal plus all accrued interest.

Three things distinguish CDs from high-yield savings accounts:

Fixed rate. The APY you lock in on day one is the rate you earn for the entire term, regardless of what happens to interest rates during that period. If the Fed cuts rates six more times while your CD runs, you still earn whatever you locked in.

Fixed term. Your money is committed for the full term. You can technically withdraw early, but you'll pay an early withdrawal penalty — typically 60 to 180 days of interest, depending on the bank and term length. The penalty rarely exceeds your principal, but it can meaningfully reduce your return on a short-term CD.

Early withdrawal penalty (EWP). This is the catch. Break a 1-year CD at 9 months and you might forfeit 3–6 months of interest. The penalty structure varies by institution — always check before you commit. More on this in "Common Mistakes" below.

Outside of the EWP and fixed timeline, CDs carry the same safety as any bank account: FDIC insurance up to $250,000 per depositor, per institution (or NCUA insurance at credit unions).

Best CD Rates in May 2026

APYs are verified as of May 2026. Rates change frequently — confirm current offers on each institution's website before opening an account.

Rates verified May 2026. All accounts FDIC-insured up to $250,000 per depositor. APYs are fixed for the stated term at time of account opening.

Why Act Now: The Rate-Lock Advantage

The Federal Reserve began cutting rates in late 2024 after holding at a 23-year high. By May 2026, the fed funds rate has come down measurably — and the Fed has signaled additional cuts ahead. That directly affects high-yield savings accounts, which are variable-rate products that move in near-lockstep with Fed decisions.

CDs are different. Lock in a 1-year CD at 4.90% today, and you earn 4.90% for exactly 12 months — even if the Fed cuts twice more and HYSA rates fall to 3.50% by next spring. That guaranteed spread could be worth hundreds of dollars depending on your balance.

On a $25,000 CD at 4.90% vs. a HYSA that drifts to 3.75% over the year, the difference is roughly $288 in additional interest — earned by doing nothing other than opening the CD account today instead of waiting.

The window is real and it's closing. It won't slam shut overnight, but every quarter of Fed inaction or further cuts narrows the gap between locking in and leaving money in a variable account.

CD Laddering: Liquidity Without Sacrificing Yield

The biggest objection to CDs is illiquidity — your money is locked up for the term. A CD ladder solves this by splitting your principal across multiple terms, so a portion of your investment matures every year. You get consistent access to a portion of your money while most of it earns the higher long-term rates.

Here's how to build a basic ladder with $10,000:

Each year starting in May 2027, one rung matures and you have a choice: spend the money if you need it, or reinvest into a new 5-year CD (the longest rung) to maintain the ladder. Over time, each rung progressively takes on the higher long-term rate as you re-invest maturing principal.

The ladder solves three problems simultaneously: you get annual access to $2,000, you lock in long-term rates on the bulk of your principal, and you eliminate the "what if I need it" anxiety that keeps people from opening CDs in the first place.

CDs vs. High-Yield Savings Accounts: When Each Wins

CDs beat HYSAs when: You have money earmarked for a specific future use — a down payment in 18 months, a sabbatical fund in 3 years, a home renovation budget in 2 years. You're willing to trade some liquidity for a guaranteed, locked-in rate that won't erode with Fed cuts. You want predictability: you know exactly what you'll earn, down to the dollar.

HYSAs beat CDs when: The money is your emergency fund (needs to be accessible without penalty). You expect to need some or all of the money before the CD term ends. You think rates will rise again and want to benefit from upward movement. You don't have a defined time horizon.

The simplest framework: emergency fund in a HYSA, everything beyond 3–6 months of expenses with a defined use-date in a CD. See our full HYSA comparison if you're deciding between the two.

No-Penalty CDs: The Hybrid Option

No-penalty CDs (also called liquid CDs or break-free CDs) let you withdraw your principal and earned interest at any time after a brief lock-up window (usually 6–7 days after opening), without paying an early withdrawal penalty. They combine the fixed-rate structure of a CD with the liquidity of a savings account — with one catch: the APY is typically 0.25–0.50% lower than a standard CD of the same term.

Who offers them:

• Ally Bank — 11-month no-penalty CD at ~4.50% APY, $0 minimum
• Marcus by Goldman Sachs — 7-month no-penalty CD at ~4.65% APY, $500 minimum
• CIT Bank — 11-month no-penalty CD at ~4.40% APY, $1,000 minimum

The tradeoff: A no-penalty CD is essentially a high-yield savings account with a fixed rate. If rates fall, you benefit from the lock-in. If rates rise, you can close the CD penalty-free and open a new one at the higher rate — unlike a standard CD where you'd face a penalty for doing the same thing. The downside is that you sacrifice 0.25–0.50% APY vs. an equivalent standard CD. On $10,000, that's $25–$50 per year — meaningful but modest.

No-penalty CDs are the right call when: you want to lock in a rate but aren't confident you can commit for the full standard term, or you're building a savings buffer that you might need to access on short notice.

Brokered CDs vs. Bank CDs

Bank CDs are opened directly with a bank or credit union, as described throughout this article. Brokered CDs are CDs sold through a brokerage account (Fidelity, Schwab, Vanguard) that were originally issued by a bank but are now available on the secondary market.

Brokered CDs carry FDIC insurance the same as bank CDs, but behave differently. They trade like bonds: if you need to sell before maturity, you sell on the secondary market, which means the price fluctuates — you could get back more or less than you paid depending on prevailing interest rates. They also typically require $1,000 minimums and come in set denominations.

For most people with $5,000–$50,000 in CDs, direct bank CDs are simpler, more transparent, and fully equivalent in yield. Brokered CDs make more sense if you're managing a large fixed-income portfolio through an existing brokerage account and want to keep everything consolidated.

Common Mistakes

Breaking a CD early without running the math. Early withdrawal penalties vary widely — from 60 days of interest (Ally, short-term) to 365 days of interest (Synchrony, 5-year). On a 1-year CD that's 8 months in, a 90-day penalty means you keep about 5 months of interest instead of 12. That's still likely positive, but check before you assume breaking early is catastrophic. Conversely, don't assume it's cheap — on a 5-year CD at $25,000 and a 1-year EWP, breaking at month 18 could cost you over $1,000 in forfeited interest.

Not comparing rates across institutions. The spread between the best and worst CD rates at national banks is often 0.50–1.00% on the same term. On $20,000 over 2 years, that's $200–$400 in missed interest. Takes 15 minutes to check three banks. Worth it.

Putting your emergency fund in a CD. Emergency funds need to be liquid. A CD that charges 6 months of interest to break early is not a liquid account. If your car needs a $2,000 repair in month 4 of a 12-month CD, the early withdrawal penalty is a real cost. Keep emergency funds in a high-yield savings account.

Ignoring inflation. A 4.90% CD return is approximately 1.5–2.0% in real terms after inflation (assuming ~3% CPI). That's not a wealth-building vehicle — it's a capital preservation tool that slightly outpaces inflation. CDs are the right choice for medium-term savings, not a replacement for investing in equities for long-term goals. Run the compound interest calculator to see how CD returns compare to equity growth over longer time horizons.

Frequently Asked Questions

Related: Best High-Yield Savings Accounts of 2026 | Compound Interest Calculator | Budgeting Hub | Emergency Fund Guide