Best High-Yield Savings Accounts

As of September 2026, the best online high-yield savings accounts (HYSAs) pay roughly 3.0 to 4.5 percent APY, about 8 to 11 times the 0.38 percent national savings average published by the FDIC for mid-August 2026 (FDIC National Rates and Rate Caps, Aug 17 2026). The headline number is only half the story: many of the most eye catching rates are teasers or come with balance caps, so the rate that matters is the ongoing base APY on the balance you plan to hold.

What is a high-yield savings account?

A high-yield savings account is an FDIC insured deposit account that pays a variable interest rate well above the national average, with no term lockup: you can add and withdraw money whenever you like, subject to the bank's monthly withdrawal limits (Marcus, Sep 3 2026). In practice it is the standard home for an emergency fund and for short-term savings goals. Two words in that definition do the heavy lifting. Variable means the APY can move up or down at the bank's discretion, and FDIC insured means the deposit is federally backed under limits set by the FDIC (FDIC Deposit Insurance at a Glance, accessed Sep 9 2026).

The gap between the good rates and the average is enormous. The FDIC reports a national average savings APY of 0.38 percent as of Aug 17 2026, with the average money market account at 0.63 percent and the average 12-month CD at 1.71 percent (FDIC National Rates and Rate Caps, Aug 17 2026). Moving the same cash from a branch savings account earning half a percent to an online account earning 3.75 percent is often the single biggest yield upgrade a household can make without taking on any new risk.

Where savings rates stand now and why

Savings APYs track the federal funds target rate, which the Federal Reserve has held at 3.50 to 3.75 percent through 2026, with the most recent FOMC decision on July 29 2026 (Federal Reserve, July 29 2026). Because that policy rate has been steady, deposit rates have been unusually stable this year. That stability is exactly why a snapshot taken in early September 2026 is still a fair guide to what you can expect today, with the caveat that every published APY is an as-of figure and can change without notice (Federal Reserve, July 29 2026).

Our pass across the published rate roundups found the top of the national market around 4.0 to 4.5 percent APY in early September 2026, with an important caveat. Fortune, citing Curinos data on Sep 9 2026, notes that many of the highest advertised rates are capped at small balances or limited to short promotional windows, and WSJ Buy-Side reached a similar conclusion on Sep 8 2026, where its top pick earned the full APY only on the first $5,000 of deposits (Fortune, Sep 9 2026; WSJ Buy-Side, Sep 8 2026).

Why online banks pay more than branches

Online banks skip the branch network, and they say they pass the savings along. Marcus explains on its high-yield savings calculator page that "Marcus doesn't have the costs that come with supporting a network of local branches, so we can pass savings on to you" (Marcus high-yield savings calculator, Sep 2026). That cost structure is one reason an online account can pay 3 percent or more while the FDIC national average for savings stays at 0.38 percent (FDIC National Rates and Rate Caps, Aug 17 2026).

Marcus also markets its own APY as roughly 8 times the national average, a claim the bank states on its savings page (Marcus, Sep 3 2026). Our reading of the wider numbers supports an even broader range: the top online account rates of 3.0 to 4.5 percent run about 8 to 11 times the 0.38 percent FDIC average (FDIC National Rates and Rate Caps, Aug 17 2026). The math is simple, but it only holds if you actually qualify for the quoted rate.

Teaser rates versus ongoing base rates

Every bank lists an APY on its homepage, but that number is not always what you earn in month six. Promotional savings rates are common in a market where the Fed is holding policy steady: banks compete for new deposits with a 6-month boost shaped like a mini-CD, then drop the balance to the base level once the promo ends, or they cap the headline APY at a small balance such as $5,000 (Fortune, Sep 9 2026; WSJ Buy-Side, Sep 8 2026).

The way to compare accounts is to write down two numbers. The first is the base APY, meaning the rate you earn after any promo ends and on the balance above any cap. The second is what that base rate equals on the dollars you intend to hold. Two accounts that advertise the same headline APY can pay very different amounts in practice, which is why the fine print belongs in the comparison from day one.

• FDIC insurance: confirm the bank is FDIC insured and understand the $250,000 per depositor coverage limit (FDIC Deposit Insurance at a Glance, accessed Sep 9 2026).
• Minimums: check both the opening deposit and any minimum balance required to earn the advertised APY.
• Monthly fees: look for a monthly maintenance fee that can quietly cancel out the extra yield.
• Compounding frequency: daily compounding beats monthly at the margin, and the quoted APY already bakes the frequency in (illustration below).
• Promo terms: find out when the teaser ends, what the base rate is afterwards, and whether the top rate has a balance cap.

High-yield savings versus money market versus CD

None of these choices is free money, and each solves a different job. A HYSA keeps your cash liquid with a variable rate, a CD locks a fixed rate for a set term and charges a penalty for early withdrawal, and a money market account behaves more like checking while still paying a savings-style yield, according to EverBank's comparison guide (EverBank, June 1 2026).

The direction of rates also shapes the choice. With the Fed holding the funds target at 3.50 to 3.75 percent as of July 29 2026 (Federal Reserve, July 29 2026), variable rates have been stable, but if you expect cuts, a fixed CD protects your yield for the term, and if you expect hikes, a variable HYSA lets you ride them up.

FDIC insurance: what is actually covered

A high-yield savings account is a deposit product, not an investment, so it carries FDIC coverage. The standard protection is $250,000 per depositor, per insured bank, per ownership category, which applies if the bank fails (FDIC Deposit Insurance at a Glance, accessed Sep 9 2026). Ownership categories include single accounts, joint accounts, and certain retirement accounts, so coverage can multiply within one bank across categories, and it also multiplies across different banks.

The practical translation: holding cash across a few FDIC insured banks can keep every dollar protected even above a single bank's limit, and you can verify a bank's insurance status directly at the FDIC before wiring over a large balance. Coverage applies to deposits such as savings accounts, and it does not cover investment products, which is one more reason to keep your emergency cash in a deposit account rather than chasing yield in unexpected places.

How compounding changes the math: an illustration

APY already builds compounding into the quoted number, which is why banks advertise APY rather than a bare interest rate. To see the effect, illustrate with $10,000 at a 4.00 percent nominal rate held for one year: compounding daily yields about $10,408, compounding monthly yields about $10,407, and the daily versus monthly difference is roughly $1 (illustration computed by us, Sep 2026). The account's quoted APY covers that compounding automatically, so two accounts with the same APY pay the same effective yield.

Compounding matters more the longer the money stays put. On the same $10,000 at a 3.75 percent nominal rate, you earn roughly $375 with simple math and about $382 when compounding is applied monthly or daily, a real but modest spread (illustration computed by us, Sep 2026). Over short horizons the compounding detail barely moves the total; over years it compounds, which is precisely why time in the account beats a marginally higher headline rate on a balance you will not keep.

Which account do you actually want?

Start with the purpose. If the cash is your emergency fund, liquidity wins, which argues for a HYSA or a money market account over a CD (EverBank, June 1 2026). Our Best Ways to Build an Emergency Fund guide walks through sizing that fund, and How much money should you keep in your emergency fund? answers the amount question directly. If the cash has a date, such as a down payment in 24 months, a fixed-term CD can lock in today's yield for the term, and How much money should I save each month? helps you set the pace.

How we reported this

All rates in this article are dated snapshots captured in early September 2026 and labeled with their as-of date: Marcus High Yield Online Savings at 3.40 percent APY as of Sep 3 2026 (Marcus), Ally Bank Online Savings at 3.00 percent as of Sep 2 2026 (Ally Bank), Bask Interest Savings at 3.75 percent APY on the Sep 2026 live rates page (Bask Bank), and UFB Direct Portfolio Savings up to 3.26 percent on the Sep 2026 live page (UFB Direct). Market-level context comes from the FDIC national rate report (Aug 17 2026), the Federal Reserve policy page (July 29 2026), and published roundups from Fortune (Sep 9 2026) and WSJ Buy-Side (Sep 8 2026). Every APY in this article is an as-of figure and can change at any time.

The rates that win the front page are usually the teasers. What you actually earn is the base rate on the balance you will hold, so compare that number with the fine print in your hand.

Keep building

Understand the engine behind these yields with What is compound interest and how does it work?, then put the account to work toward What is the best way to save for a house down payment?.