The average savings account in the United States pays 0.46% APY, according to FDIC data. That number is not a typo. It is the national average across all federally insured depository institutions — the giant brick-and-mortar banks that millions of Americans defaulted into when they opened a checking account at 22 and just never moved their savings.
Meanwhile, the top high-yield savings accounts (HYSAs) from online banks and credit unions were paying 4.50%–5.25% APY through much of 2024, settling in the 3.75%–4.75% range by early 2025 as the Federal Reserve executed a series of rate cuts in the second half of 2024. The best available rates in early 2025 still represent a 8x to 10x multiple over the national average.
This spread is not new. It has existed in every rate environment for the past fifteen years. When rates were near zero in 2020–2021, the best HYSAs paid 0.50%–0.60% while most banks paid 0.01%. The spread is structural, not cyclical.
What the Gap Actually Costs You
Let's do the math at different balance levels.
At $10,000: - National average (0.46% APY): $46/year in interest - Top HYSA (4.50% APY): $450/year in interest - Annual cost of staying at your old bank: $404
At $25,000: - National average: $115/year - Top HYSA: $1,125/year - Annual cost of inertia: $1,010
At $50,000: - National average: $230/year - Top HYSA: $2,250/year - Annual cost of inertia: $2,020
At $100,000: - National average: $460/year - Top HYSA: $4,500/year - Annual cost of inertia: $4,040
The FDIC insurance is identical across all of these scenarios. The government backstop is the same. There is no risk trade-off here. The only thing that changes is the three-letter name on your banking app.
The compounding effect extends beyond year one. On $50,000 held for five years, the difference between 0.46% APY and 4.50% APY is roughly $12,400 in total interest — a difference that widens further if you're regularly adding to the balance.
Why Traditional Banks Pay So Little
Understanding why the gap exists helps you recognize it won't close on its own.
Traditional brick-and-mortar banks have two structural advantages that eliminate any competitive pressure to raise savings rates:
1. Captive customers. The average American keeps the same checking account for 17 years. Opening a new account is perceived as friction-heavy — the process of updating direct deposit, transferring autopay relationships, and changing bill payment links feels like a project. Banks know this and price their deposits accordingly. You aren't actively choosing 0.46% APY — you're paying an inertia tax.
2. Expensive physical infrastructure. Large banks spend billions annually maintaining branch networks, ATMs, and the associated real estate and staffing costs. That infrastructure costs money. The cheapest way to fund it is with deposits that pay almost nothing. Your savings balance is partially funding your local branch's lease.
Online banks have neither of these structural constraints. They have no branches. They acquire customers almost entirely on rate, because rate is the only product differentiator they have. So they pass a substantially larger share of the federal funds rate to depositors.
The math for online banks: the federal funds rate target in early 2025 sat around 4.25%–4.50% after the Fed's late-2024 cuts. An online bank paying 4.50% APY is passing nearly the full federal funds rate to depositors. A traditional bank paying 0.46% APY is pocketing most of the spread.
The Fed Funds Rate and HYSA APY: The Transmission Mechanism
HYSA rates are variable. They move with the federal funds rate, but the timing and degree are not symmetric — and that asymmetry works against you in a predictable way.
When the Fed raises rates: HYSA APYs increase fairly quickly. Online banks compete for deposits during rate hike cycles and raise rates aggressively to attract new accounts.
When the Fed cuts rates: HYSA APYs decrease more slowly for existing customers, but the trend is inexorable. Every Fed rate cut is eventually fully transmitted to HYSA rates. The question is timing and which bank you're with.
The silent rate cut: This is the mechanism that costs depositors money without a headline. When the Fed cuts rates, banks often reduce HYSA APYs through small incremental drops — 0.05% here, 0.10% there — rather than a single visible cut. Over 6–12 months, the cumulative reduction can be substantial. You may have opened an account when the rate was 5.10% and be earning 4.20% today without ever receiving a prominent notification.
The practical lesson: set a calendar reminder every six months to check the current rate on your HYSA and compare it to top competitors. The account you opened for a great rate in 2023 or 2024 may have drifted to a mediocre rate by 2025. Switching is straightforward — it typically takes one ACH transfer and 2–3 business days.
Top Online Banks: What the Market Looks Like
As of early 2025, the leading HYSA providers have tracked broadly to the following ranges (exact current rates require checking directly with each institution; rates change frequently):
SoFi Bank - APY range through 2024: 4.20%–5.10%, varying with Fed policy - Note: SoFi's highest rates were historically available to members who also have a SoFi checking account with direct deposit. The rate for savings-only accounts is typically lower. Read the fine print on direct deposit requirements. - FDIC insured: Yes (through multiple bank partners via the SoFi sweep network, offering up to $2M in FDIC coverage for large balances)
Ally Bank - APY range through 2024: 4.00%–4.75% - Notable for: No minimum balance, no fees, consistent rate transparency, strong mobile app - Rate history: Ally has historically been a reliable mid-tier rate provider — rarely the highest, but rarely the first to cut aggressively. Good for depositors who value rate stability over chasing the absolute top
Marcus by Goldman Sachs - APY range through 2024: 4.00%–5.10% - Notable for: 10-month no-penalty CD (allows early withdrawal without penalty — effectively a hybrid HYSA/CD useful in a rate-cutting environment) - No checking account, no ATM card — this is a pure savings vehicle - FDIC insured: Yes, up to $250,000
Discover Online Savings - APY range through 2024: 3.75%–4.65% - Notable for: Robust existing customer support infrastructure from its credit card business, 24/7 customer service - Minimum balance: None - FDIC insured: Yes
UFB Direct - APY range through 2024: 4.25%–5.25% (among the highest at various points) - UFB Direct is a division of Axos Bank - Notable for: Frequently cited as offering top-tier rates; worth watching but less well-known than the above; check rate consistency over time rather than just the current headline
Teaser Rates vs. Sustained Rates: How to Tell the Difference
Some banks offer promotional "introductory" rates that are materially higher than their ongoing rate — often 1–2% above their standard offering for the first 3 or 6 months. After the promotional period, the rate drops automatically.
How to identify a teaser rate: - Read the fine print on the account disclosure. If the rate is described as "promotional," "introductory," or "limited time," it will drop. - Check the bank's current standard HYSA rate. If the account you're considering is paying 2% more than their stated standard rate, it's a teaser. - Look at the bank's rate history. Sites like DepositAccounts.com track historical HYSA rates by institution and are useful for identifying banks that have consistently high rates versus those that peak with a teaser and fall.
Chasing teaser rates with frequent account switching is theoretically optimal but practically exhausting. A better strategy: find a bank with a documented history of consistently near-top rates (Ally and Marcus have this track record) and accept that you might be 0.10%–0.25% below the very best rate at any given moment, in exchange for not managing constant account migrations.
FDIC Insurance: What It Actually Covers and What It Doesn't
The Federal Deposit Insurance Corporation (FDIC) insures deposits up to $250,000 per depositor, per bank, per ownership category. This is a critical distinction.
Per bank: If you have $300,000 at a single bank in a single account, $50,000 is uninsured. If you split $300,000 across two banks — $150,000 each — both balances are fully insured.
Per ownership category: Individual accounts and joint accounts are separate categories. A $250,000 individual account and a $500,000 joint account at the same bank are both fully insured because they fall under different ownership categories.
The sweep account exception: Some online banks (SoFi, for example) offer FDIC insurance above $250,000 by using a network of partner banks to "sweep" deposits across multiple institutions, each insured separately up to $250,000. SoFi's sweep network can cover up to $2 million. If you have a large cash balance, verify how your bank structures its insurance.
Credit unions: Credit unions are insured by the NCUA (National Credit Union Administration), not the FDIC. NCUA insurance is functionally equivalent to FDIC insurance — same $250,000 limit, same government backstop. Several credit unions offer competitive HYSA rates.
What is not covered: Brokerage accounts, investment accounts, and money market mutual funds are not FDIC-insured. Bank money market accounts (distinct from money market funds) are FDIC-insured. Confirm which product you're looking at.
HYSAs vs. Money Market Accounts vs. CDs
These three products are frequently confused. Here is the direct comparison:
High-Yield Savings Account: - Rate: Variable, adjusts with Fed policy - Liquidity: High — withdraw anytime - Federal regulation on withdrawals: Regulation D historically limited savings account withdrawals to 6 per month; the Fed suspended this limit in 2020 and banks set their own policies, but some still impose the limit - Best for: Emergency fund, short-term savings with unknown timeline
Bank Money Market Account (MMA): - Rate: Variable, typically slightly lower than top HYSAs - Liquidity: High — often includes debit card or check-writing ability - Best for: Operational cash that needs same-day access with slightly more flexibility than a savings account - Note: Entirely different from a money market mutual fund, which is not FDIC-insured
Certificates of Deposit (CDs): - Rate: Fixed for the term (3 months, 6 months, 1 year, 2 years, etc.) - Liquidity: Low — early withdrawal penalties typically 90–180 days of interest - Best for: Money you know you won't need for a defined period, when you want to lock in a rate before expected Fed cuts - CD strategy: In a rate-cutting environment (which 2024–2025 is), locking in 1-year or 2-year CDs before rates fall can capture higher rates than an HYSA will offer 12–18 months from now
CD laddering: Divide your savings across multiple CD terms — for example, 25% in 3-month CDs, 25% in 6-month, 25% in 1-year, 25% in 2-year. As each matures, reinvest at the current best rate. This balances liquidity and rate optimization.
Marcus by Goldman Sachs offers a no-penalty CD — early withdrawal without penalty — that blurs the HYSA/CD distinction favorably. In early 2025, the Marcus no-penalty 10-month CD rate was competitive with top HYSAs, with the added benefit of rate lock. Worth comparing directly.
How to Calculate What Your Bank Owes You
This is a useful exercise before you decide whether to switch.
Your current bank's APY × your average monthly savings balance = annual interest you should be receiving.
If that number is below what a top HYSA would pay you, the difference is the annual cost of staying.
Example: - Your bank pays 0.47% APY - Your average savings balance: $32,000 - Annual interest received: $32,000 × 0.0047 = $150.40 - Top HYSA pays 4.40% APY - Annual interest at top HYSA: $32,000 × 0.044 = $1,408 - Annual cost of staying: $1,257.60
If switching takes you 45 minutes (opening an account, verifying with a small transfer, moving the balance, updating any automatic transfers), you are earning $1,674/hour for that 45 minutes. That is a better hourly rate than most jobs.
The Decision Framework
You should open a separate HYSA if: You have more than $1,000 sitting in a savings account at a bank paying below 2.00% APY. The threshold for switching is not high.
Keep your primary checking account wherever you have it. The convenience features of your main bank — ATMs, mobile check deposit, bill pay integrations, existing direct deposit — are worth keeping. You don't need to move everything. Move the savings.
Set up an automatic transfer. Most HYSAs support recurring transfers from an external checking account. Set it up once — even $100–$200 per month — and let the compounding work.
Review rates every six months. The best HYSA today is not guaranteed to be the best in 12 months. A 10-minute annual comparison is adequate maintenance.
Don't hoard cash. A HYSA is not an investment strategy — it's a cash management strategy. Money in a HYSA that should be in a 401k or IRA is an opportunity cost. Max your tax-advantaged accounts first. Then optimize your cash management.
The accounts exist. The rates are real. The FDIC insurance is the same. The only variable is whether you take the 30 minutes to act on it.