You've found a savings account that has a high annual percentage yield, or APY. It might even be over 4%. That's more than 10 times the national average rate of 0.37%.
The catch? It’s offered by a bank you've never heard of. Although you shouldn’t abandon that account automatically, it’s worth doing some extra research.
Is that high rate too good to be true?
I get that question a lot. I’ve been researching savings products for our best high-yield savings accounts list for the past 10 years. The answer is that the advertised rate is probably real, but it could come with some caveats.
It’s worth checking:
How long the rate lasts.
How much of your balance earns that APY.
What you have to do to qualify for the rate.
Those details can determine whether the account is a good match.
Several accounts on our list pay around 4% APY, require $100 or less to open and have no minimum balance requirement to earn their high yields. An APY that high deserves a closer look, but it isn't automatically too good to be true.
A great rate can change or vanish
Some of the accounts that led the pack in 2024 and earlier still make our best high-yield account list today. But we’ve also seen some banks lower their rates, leaving behind disappointed customers.
I once found a community bank offering a new online savings account with a high rate and no fees. It looked like a contender for our list. A couple of weeks later, the bank stopped offering it. That’s one reason I sometimes wait to see whether a new offer sticks around before adding it.
Rates are variable on savings accounts, so a bank can raise or lower its rate at any time, generally without advance notice.
Even strong accounts can hit a snag. Newtek Bank, our pick for best savings account of 2026, paused new applications earlier this year “due to overwhelming demand.” It has since reopened.
Those kinds of changes can be inconvenient, but they don’t necessarily mean the advertised rate is a gimmick or that your money is at risk.
A little-known bank can still be safe
Along with wondering if the rate is too good to be true, you may also wonder if it’s safe to even deposit money at an institution you’ve never heard of. If the account is at a bank insured by the Federal Deposit Insurance Corp. (FDIC), or at a federally insured credit union, consider it safe.
Eligible deposits are insured up to $250,000 per depositor, for each account ownership category and per each insured institution. Bank failures are rare, and no depositor has lost a penny of federally insured funds.
» Banking more than $250,000? Learn how to protect your funds
Fintech apps, or neobanks, such as Chime and Current, aren't banks. They typically place customers' money at FDIC-insured partner banks and offer what’s called pass-through FDIC insurance. That protection applies if the partner bank fails, not the fintech. And the fintech needs to keep accurate records to show who owns the money.
What to check before you open an account
Confirm where your funds will be held, and that they are federally insured. You can check a bank’s status using the FDIC’s BankFind tool. For a credit union, use the National Credit Union Administration’s locator. If you plan to sign up with a fintech app, look up its partner banks and confirm FDIC status.
Know how much of your balance earns the rate. GO2bank advertises a strong 4.50% APY for its savings vaults, but that rate applies only to average daily balances up to $5,000.
If you kept $10,000 in the account, only the first $5,000 would earn that APY. That portion would earn $225 in a year. The other $5,000 would earn nothing.
By comparison, the full $10,000 in an account with a flat 4% APY would earn $400. Use our savings calculator to compare offers based on the amount you plan to deposit.
Look up special requirements. A high APY may require direct deposits or a linked checking account. Make sure the requirements fit how you plan to use the account. For example, to earn the highest APY from Happen Bank’s savings, you’ll need to deposit at least $250 a month.
Note if it’s a promotional rate. Some banks boost rates temporarily for new customers. E*TRADE from Morgan Stanley’s Premium Savings Account guarantees 4.25% APY for six months. After that, the account earns its base rate, currently 3.75% APY. Our APY boost calculator blends the two into an effective rate of about 4.00% for the first year.
Note: All rates are accurate as of the publication date. Savings rates are variable and may have changed.
» MORE: Need to lock in a fixed rate for longer? Compare NerdWallet’s best CD rates
So, can you trust that sky-high APY? Yes, once the fine print checks out. Confirm that your deposits will be federally insured. Then look at balance caps, requirements and when any promotional rate ends. A high rate can be worth chasing. Just read past the headline first.
