You keep $20,000 in savings at a big brick-and-mortar bank because it feels safe, familiar, and easy. The app works. The branch is around the corner. Nothing has ever gone wrong.
Here’s what’s gone wrong anyway: that bank is almost certainly paying you a tiny fraction of a percent APY on your money, while online savings accounts are paying substantially higher yields right now. APY is just the annual interest rate on your balance.
On a $20,000 balance, that difference is roughly $800 a year versus about $2. Same money, same FDIC protection, wildly different paycheck.
The banks are counting on you never doing the math. Let’s do it.
What “Average” Is Really Costing You
The FDIC national average savings rate sits around a low single-digit fraction of a percent APY as of mid-2026, and the biggest banks pay a small fraction of that. Meanwhile, the Fed funds rate is at 3.75%, which is roughly what banks earn parking cash overnight. They’re just not sharing.
Here’s the picture on round balances, using a 4.00% online savings rate as the working number:
| Balance | Big Bank (0.01%) | Online HYSA (~4.00%) | The Gap |
|---|---|---|---|
| $5,000 | ~$0.50/yr | ~$200/yr | ~$200 |
| $10,000 | ~$1/yr | ~$400/yr | ~$400 |
| $20,000 | ~$2/yr | ~$800/yr | ~$800 |
| $25,000 | ~$2.50/yr | ~$1,000/yr | ~$1,000 |
You know rates are low. Seeing your $20,000 earn roughly two dollars for the year is a different feeling.
The Cost Compounds While You’re Not Looking
One year of foregone interest is annoying. Ten years of it is a car.
Left at a big bank paying almost nothing, your $20,000 stays close to $20,000 in real dollars, minus what inflation chews off. Core PCE, the Fed’s preferred inflation gauge, has been climbing steadily through May 2026, and CPI is still elevated at 332.6. Money that isn’t earning is quietly losing.
At roughly 4.00% compounded for a decade, that same $20,000 grows to close to $29,600, without you adding another dollar. That’s nearly $10,000 in the “did nothing but move accounts once” column.
The Caveat
HYSA rates float. The 3.75% federal funds rate has held since December 2025, and if the Fed cuts, online savings rates drift down with it. A 4.00% APY today might be 3.50% a year from now.
If you want a locked rate, a 12-month CD averages just 1.68% nationally, but top online CDs and Treasury bills tell a better story. The 52-week T-bill was yielding around 4.12% in late July, and current I-bonds carry a 4.26% composite rate through October 2026. Different tools, same idea: your cash should be paying you.
The caveat doesn’t rescue a 0.01% account. Even a rate cut leaves the online option paying multiples of what the big bank does.
Buckets, Not All-or-Nothing
Savings accounts are for money with a job: emergency fund, next year’s tax bill, a house down payment, a wedding. That’s the bucket we’re talking about. Long-term money still belongs in low-cost index funds, and I’m not suggesting you touch that.
Personal savings rates have dropped to 3.9% in 2026Q1, the lowest reading in this cycle, and consumer sentiment has fallen to 44.8. If you’re already saving less, the least the money you do save can do is earn.
How to Move Your Savings (It Takes About 10 Minutes)
- Pick an online bank with the boring stuff right. Look for FDIC insurance up to $250,000 per depositor, no monthly fees, no minimum balance, and a rate in the 3.50% to 4.15% range.
- Open the account. You’ll need your ID, Social Security number, and the routing and account numbers from your current bank. Ten minutes, tops.
- Link and transfer. First ACH transfer usually clears in 1 to 2 business days. Move your savings; leave your checking where it is if you like it.
- Automate it. Set a recurring transfer, even $50 or $100 a month, so the habit runs itself.
- Set a calendar reminder. Check the rate every six months. If it slips well below the top of the market, move again.
The One Number to Remember
On $20,000, the gap between a big bank and a competitive online savings account is roughly $800 a year. Over a decade of compounding, it’s close to $10,000.
You don’t have to break up with your bank. Just move the money that’s supposed to be working, and let it start.
Contact [email protected] for any questions or corrections.
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