- $40,000 at 4.00% APY earns about $1,600 over one year, or about $133 a month.
- The same $40,000 earning $150 a year produces about $13 a month, which works out to about 0.38%.
- That's a gap of about $1,450 a year on cash that could still stay easy to reach.
- At the national average savings rate of 0.38% (as of 06/15/26), $20,000 earns $76 a year. The same balance could earn up to nine times more with a SoFi Checking and Savings account. See SoFi®'s current rate.
A $40,000 savings balance feels responsible because, well, it is. That kind of cash could represent years of careful decisions, skipped splurges, emergency planning, and trying to stay one surprise bill ahead of chaos.
Then the interest shows up. If your bank paid you only $150 over a full year, the account did its job as a parking spot, but it barely did anything as a savings account.
The useful question is which part of your $40,000 is true savings, which part needs to stay close for bills, and whether a high-yield savings account gives the right mix of access and return.
A $150 year is tiny
Here's the math hiding inside the headline. If your account paid $150 on $40,000 over one year, the return is:
$150 / $40,000 = 0.00375
Move the decimal, and that's about 0.38%. Measured as annual percentage yield, your large balance is earning less than half a percent for the year.
That doesn't mean you did anything wrong. It means the account rate is doing almost none of the work, so your savings account balance has to carry the whole burden by itself. A big balance and a weak rate still produce a small check.
| If you have | One year at 0.38% APY (national average) | One year at 3.80% APY (example) | You are leaving behind |
| $10,000 | $38 | $380 | $342 |
| $25,000 | $95 | $950 | $855 |
| $40,000 | $152 | $1,520 | $1,368 |
| $50,000 | $190 | $1,900 | $1,710 |
| $100,000 | $380 | $3,800 | $3,420 |
What $40,000 could earn instead
Say you find an account paying 4.00% APY, which is an achievable rate on high-yield savings right now. That's the round number to use for comparing your choices.
With $40,000 at 4.00% APY for one year, the account earns about $1,600. The same $40,000 earning $150 over one year leaves about $1,450 on the table compared with that example.
That difference is the part worth noticing. In this example, you aren't taking stock-market risk or locking money away for a set term. You're looking at the gap between a savings account paying almost nothing and a savings account paying a much stronger rate on the same cash.
If only $20,000 of your balance belongs in high-yield savings, cut the example in half. At 4.00% APY, $20,000 earns about $800 over one year, while half of the headline interest is $75, so the gap is about $725.
Having your checking and savings accounts with the same financial institution can make money management a lot simpler. SoFi® was our 2026 award winner for Best Checking and Savings Combo because it delivers on interest and additional features.
For example, you could earn up to 4.00% APY on your savings balance with direct deposit. (3.10% APY2 <p>New and existing Checking and Savings members who have not previously enrolled in Direct Deposit with SoFi are eligible to earn a cash bonus of either $50 (with at least $1,000 total Eligible Direct Deposits received within 25 calendar days of your first Eligible Direct Deposit of $1 or more) OR $400 (with at least $5,000 total Eligible Direct Deposits received within 25 calendar days of your first Eligible Direct Deposit of $1 or more). Cash bonus amount will be based on the total amount of Eligible Direct Deposit received within 25 calendar days of your first Eligible Direct Deposit of $1 or more. If you have satisfied the Eligible Direct Deposit requirements but have not received a cash bonus in your Checking account, please contact us at 855-456-7634 with the details of your Eligible Direct Deposit. Direct Deposit Promotion begins on 5/15/2026 and will be available through 12/31/26. See full bonus and annual percentage yield (APY) terms at <a href="https://www.sofi.com/banking/checking-offer/">sofi.com/banking/checking-offer/</a></p> with +0.90% APY Boost) for up to 6 Months on new accounts.1 <p>Earn up to 4.00% Annual Percentage Yield (APY) on one SoFi Savings account with a 0.90% APY Boost (added to the 3.10% APY as of 5/28/26) for up to 6 months. Open your first SoFi Checking and Savings account and receive eligible direct deposits OR qualifying deposits of $5,000 every 31 days by 12/31/26. Rates are variable, subject to change. Terms apply at <a href="https://www.sofi.com/banking/#4">sofi.com/banking#4</a>. SoFi Bank, N.A. Member FDIC.</p> SoFi also offers more special features than any other account combo we looked at:
No account fees: No overdraft fees.3 <p>Overdraft Coverage is a feature automatically offered to SoFi Checking and Savings account holders who receive at least $1,000 or more in Eligible Direct Deposits within a rolling 31 calendar day period on a recurring basis. Eligible Direct Deposit is defined on the SoFi Bank Rate Sheet, available at <a href="https://www.sofi.com/legal/banking-rate-sheet">https://www.sofi.com/legal/banking-rate-sheet</a>. Members enrolled in Overdraft Coverage may be covered for up to $50 in negative balances on SoFi Bank debit card purchases only. Overdraft Coverage does not apply to P2P transfers, bill payments, checks, or other non-debit card transactions. Members with a prior history of unpaid negative balances are not eligible for Overdraft Coverage. Eligibility for Overdraft Coverage is determined by SoFi Bank in its sole discretion. Members can check their enrollment status, if eligible, at any time by logging into their account through the SoFi app or on the SoFi website.</p> No minimum balance fees. No monthly fees.4 <p>We do not charge any account, service, or maintenance fees for SoFi Checking and Savings. We do charge transaction fees for outgoing wire transfers, Instant Transfers, and global remittance transfers. Our fee policy is subject to change at any time. See the SoFi Bank Fee Sheet for details at <a href="http://sofi.com/legal/banking-fees/">sofi.com/legal/banking-fees/</a>.</p>
Get paid up to two days early: Feel the magic of payday up to two days earlier — automatically — when you set up direct deposit.5 <p>Early access to direct deposit funds is based on the timing in which we receive notice of impending payment from the Federal Reserve, which is typically up to two days before the scheduled payment date, but may vary.</p>
Access additional FDIC insurance up to $3M: Typically, single-member deposit accounts are federally insured up to $250,000. With SoFi, FDIC insurance up to $3 million on deposits is available through a seamless network of participating banks.6 <p><b style="font-family: Rubik, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;">SoFi Bank is a member FDIC and does not provide more than $250,000 of FDIC insurance per depositor per legal category of account ownership, as described in the FDIC’s regulations. Any additional FDIC insurance is provided by the SoFi Insured Deposit Program. Deposits may be insured up to $3M through participation in the program. See full terms at <a href="http://sofi.com/banking/fdic/sidpterms">SoFi.com/banking/fdic/sidpterms</a>. See list of participating banks at <a href="http://sofi.com/banking/fdic/participatingbanks">SoFi.com/banking/fdic/participatingbanks</a>.</b></p>
Open an account with SoFi here.
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Your statement already tells you
Your account already has clues, so you don't have to guess. Look for three pieces of information: your current savings account balance, the current APY, and the interest credited during the last statement period or the last year.
- The account details page in online or mobile banking.
- The monthly statement.
- The transaction history where interest is credited.
- Year-end interest records, especially if the account paid enough interest to generate tax paperwork.
If your statement shows only a few dollars of monthly interest on a five-figure balance, the account is probably behaving like the $150 example. And once you know your actual APY, you're comparing facts instead of vibes, which is usually better for money decisions and family group chats.
Banks profit when you coast
Low-yield balances persist because many people leave familiar accounts alone. The account might be attached to a checking relationship, an old branch, an automatic transfer, or just muscle memory from years of using the same login.
Banks and credit unions set deposit rates by institution, account type, and channel, so two savings accounts can pay very different rates at the same time. Older or default savings accounts may not become competitive just because rates elsewhere look better.
That puts the boring little task on you: compare the APY shown on your account with current high-yield savings options. Loyalty can get you convenience, but loyalty by itself doesn't raise your rate.
Some cash should stay put
The cleanest way to think about $40,000 is to stop treating it as one lump. Give each slice of cash a job, then decide whether that job fits a high-yield savings account.
Money for this month's rent, mortgage, utilities, groceries, and credit card payment should stay where you're sure you can reach it on time. The same goes for pending payments, checks already written, and cash committed to a home closing, car purchase, or tuition bill in the next few weeks.
High-yield savings tends to fit cash that needs stability, interest, and access, but doesn't need to be spent today. That could include:
- Emergency savings.
- Annual insurance premiums or property taxes.
- Money set aside for income taxes.
- Home repair reserves.
- Vacation, tuition, or down payment money with a short timeline.
Long-term money is different. If part of your $40,000 is meant for a goal five or more years away, a savings account could be too conservative, even with a stronger APY. That money might need an investing conversation instead of a better savings rate.
So the answer might be $40,000, $25,000, $10,000, or zero. The right amount is the part of your cash that needs to stay stable and reachable, but doesn't need to sit in the account that pays you $150 a year.
The move has real friction
Moving savings is usually simple, but it isn't magic. Transfers between institutions can take time or run into limits, so bill money and cash needed immediately should stay in the account you already use for quick access.
Insurance is another check. As a general rule, FDIC insurance and NCUA share insurance each cover up to $250,000 per depositor, per institution, per ownership category at covered banks and credit unions. If your total cash at one institution is approaching that limit, ownership category and institution matter, so don't treat the number as one giant household bucket.
Then read the account details before moving money. Look for:
- Any minimum deposit to open the account.
- Any balance needed to earn the listed rate.
- Any monthly maintenance charge.
- Transfer options, including whether same-day transfers are available.
- Limits or delays on moving money out.
The honest tradeoff is that high-yield savings rates are variable, so a 4.00% APY today could drop later and the account needs an occasional rate check. But a rate that changes over time could still be far better than leaving suitable savings in an account that's currently paying almost nothing.
Bottom line
If your $40,000 earns $150 over one year, your money is earning about 0.38%. The same $40,000 at 4.00% APY earns about $1,600 over one year, which makes the difference about $1,450.
Keep bill money, pending payments, and cash committed in the next few weeks where you can reach it without delay. But if part of that $40,000 is emergency savings or short-term goal money, a high-yield savings account could let the same cash work harder while staying close enough for real life.
Would You Spend Ten Minutes for $1,465?
That's roughly the year's difference on $40,000 between the national average and the up-to-4.00% rates available now. And ten minutes isn't a figure of speech. You just provide some information, like your name, address, Social Security number, and the account your deposit money's coming from. But rates are variable and follow the market, which is why the only number worth acting on is today's. Compare the current top accounts here.
| Bank/Institution | APY | Bonus Offer | Open Account | Bonus Offer |
|---|---|---|---|---|
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2026 AWARD WINNER
Best Checking and Savings Combo
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4.00
With $0 min. balance
%
APY
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Limited-Time Offer: +0.90% boost on Savings APY to up to 4.00% for up to 6 months on new accounts1 <p>Earn up to 4.00% Annual Percentage Yield (APY) on one SoFi Savings account with a 0.90% APY Boost (added to the 3.10% APY as of 5/28/26) for up to 6 months. Open your first SoFi Checking and Savings account and receive eligible direct deposits OR qualifying deposits of $5,000 every 31 days by 12/31/26. Rates are variable, subject to change. Terms apply at <a href="https://www.sofi.com/banking/#4">sofi.com/banking#4</a>. SoFi Bank, N.A. Member FDIC.</p> + $50 or $400 Bonus with eligible direct deposit.2 <p>New and existing Checking and Savings members who have not previously enrolled in Direct Deposit with SoFi are eligible to earn a cash bonus of either $50 (with at least $1,000 total Eligible Direct Deposits received within 25 calendar days of your first Eligible Direct Deposit of $1 or more) OR $400 (with at least $5,000 total Eligible Direct Deposits received within 25 calendar days of your first Eligible Direct Deposit of $1 or more). Cash bonus amount will be based on the total amount of Eligible Direct Deposit received within 25 calendar days of your first Eligible Direct Deposit of $1 or more. If you have satisfied the Eligible Direct Deposit requirements but have not received a cash bonus in your Checking account, please contact us at 855-456-7634 with the details of your Eligible Direct Deposit. Direct Deposit Promotion begins on 5/15/2026 and will be available through 12/31/26. See full bonus and annual percentage yield (APY) terms at <a href="https://www.sofi.com/banking/checking-offer/">sofi.com/banking/checking-offer/</a></p> Terms apply. | |||
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4.00
With $250+ monthly deposits
%
APY
|
— | |||
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3.64
With $1 min. balance7 <p>APY means Annual Percentage Yield. APY is accurate as of as of 09/01/26. This is a variable rate account, Interest rate and APY may change after initial deposit. Minimum initial deposit to open account and earn interest is $1.00.</p>
%
APY
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Limited-Time Offer: Use code STACK to earn a cash bonus based on your savings balance. Earn up to $50 for $10,000, $125 for $25,000, $250 for $50,000, $500 for $100,000, or $1,000 for $200,000 or more. Visit site for full details.8 <p>New customers only. Earn a cash bonus (the "Welcome Bonus") when you deposit and maintain funds with partner banks on the Raisin platform. Customers will receive a Welcome Bonus of $40 for depositing between $10,000 and $24,999; $100 for depositing between $25,000 and $49,999; $200 for depositing between $50,000 and $99,999; $425 for depositing between $100,000 and $199,999; and $900 for depositing $200,000 or more. If the Qualifying Deposit balance declines at any time during the maintenance period below the minimum required for a bonus tier, the customer will be placed in the bonus tier corresponding to the lowest Qualifying Deposit balance maintained during that period. </p><p>Savings + CD Boost: Customers eligible for the Welcome Bonus may earn an additional bonus by opening a product in a second product category. To qualify, customers must deposit at least $1,000 into the secondary product category within 14 days of their initial deposit and maintain balances over $1,000 in both categories through 90 days from the initial deposit date.</p><p>For the purposes of this promotion, High-Yield Certificates of Deposit constitute one product category; No-Penalty CDs and Callable CDs constitute a second product category; and Savings Accounts (including Money Market Deposit Accounts, High-Yield Savings Accounts, and Rate Lock Savings Accounts) constitute a third product category. Savings + CD Boost eligibility is determined by your Welcome Bonus tier: customers depositing between $10,000–$24,999 receive an additional $10; $25,000–$49,999 receive an additional $25; $50,000–$99,999 receive an additional $50; $100,000–$199,999 receive an additional $75; and $200,000 or more receive an additional $100. </p><p>The Savings + CD Boost is optional and paid in addition to the Welcome Bonus. To qualify for the Welcome Bonus and Savings + CD Boost, your first deposit must be initiated between September 1, 2026, and September 30, 2026, by 11:59 PM ET, and the promo code STACK must be entered at the time of sign-up. Only funds deposited within 14 days of the initial deposit date and maintained with partner banks on the Raisin platform for 90 days of the initial deposit date will be eligible for the Welcome Bonus and Savings + CD Boost. Bonus cash will be credited directly to your Cash Account within 30 days of meeting all qualifying terms. This offer is available to new customers only, is non-transferable, and may not be combined with any other bonus offers. Raisin may modify or end this offer at any time and may withhold or revoke bonuses in cases of fraud, abuse, or violation of these terms or Raisin’s Terms of Service.</p> | |||
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