- $25,000 at a 4.00% annual percentage yield (APY) earns about $250 over three months, or about $83 a month.
- The same $25,000 in a checking account paying 0.00% APY earns nothing during those same three months.
- That gap is about $250 before taxes, real money for leaving cash untouched for one quarter.
- 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 $25,000 balance has a way of becoming background scenery. It sits in checking, or in an old savings account, because the money feels safe there and moving it sounds like one more errand.
But familiar doesn't always mean harmless. If that cash could sit for the next three months, a high-yield savings account could turn waiting into interest instead of dead air.
The useful question isn't whether every dollar should move. It's which part of your $25,000 can afford to wait, and whether the interest is worth the transfer timing, account terms, and tax bill.
Three months can cost $250
Some high-yield savings accounts are paying 4.00% APY (as of 10/01/26). If $25,000 moves to an account at that rate and sits for three months, a simple-interest estimate is direct:
$25,000 x 4.00% x 3/12 = $250.
That $250 would be gross interest before taxes, but the point lands pretty clearly: doing nothing with cash that can safely sit isn't neutral when comparable savings accounts are paying real interest.
| 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 |
The catch is cash flow. If moving the money would make next month's bills messy, the interest isn't worth the stress.
Your current rate sets the gap
The $250 estimate is the cleanest version of the problem, where your current account earns little or nothing. If your money already earns some interest, the price of waiting is smaller because the real cost is the difference between your current rate and the 4.00% example.
Say your $25,000 already earns 2.00% APY. The gap between 2.00% and 4.00% is two percentage points, so the three-month difference is about $125:
$25,000 x 2.00% x 3/12 = $125.
So start with your current rate. If your account is close to 0.00%, the three-month cost is close to the full $250. If your account is already competitive, the upgrade might matter less.
Move the dollars that can wait
Your $25,000 probably isn't doing one job. Part of the balance might be bill money, part might be emergency savings, and part might be money parked for a known expense that hasn't arrived yet.
Start with the money you need before the end of the month. Rent, mortgage payments, credit card payments, automatic bills, and cash that covers a payroll gap should stay somewhere you can reach immediately. Interest matters, but late fees and overdraft problems get expensive fast.
Emergency savings often fits better in a high-yield savings account, as long as you keep a same-day cushion in checking. For example, you might leave enough in checking to cover a weekend car repair or a surprise medical copay, then move the rest of the emergency fund where it earns more.
Scheduled money needs a calendar check. Tuition due in two weeks, taxes due soon, or down payment cash for a closing date calls for extra caution because transfer timing matters. Money you won't need for five years likely needs a longer-term plan than a savings account.
So the amount you move might be $8,000, $15,000, or $22,000. It doesn't have to be all $25,000.
Transfers are the real catch
The annoying part isn't the math. It's everything around the move, which is why a quick terms check matters before you send money anywhere.
Many external account-to-account transfers move through ACH, and standard ACH transfers typically take one to three business days. Money in motion might not be available for an emergency. If you need same-day access to the full balance, moving the entire $25,000 could create a problem even if the interest rate looks great.
Before moving money, check these items:
- Transfer timing, including when deposited money becomes available.
- Transfer limits that might affect moving a larger balance.
- Minimum opening deposit or minimum balance rules.
- Monthly maintenance costs or conditions for avoiding them.
- Rate conditions, including whether the rate depends on balance, deposits, or other activity.
- Deposit insurance, using the institution's official information.
FDIC coverage is generally up to $250,000 per depositor, per FDIC-insured bank, per ownership category. NCUA share insurance is generally up to $250,000 per member, per federally insured credit union, per ownership category. Those limits are important, but the part to verify is whether your specific account and institution are covered before you move money.
Rates can move after your transfer, too. A high-yield savings rate is variable, so a 4.00% APY today could be lower later. That doesn't erase the three-month math, but it does mean you should care about the account terms, not just the rate on the screen.
Fees and taxes change the math
The $250 estimate is gross interest. What you keep can be lower if account costs or taxes take a bite.
For example, say an account charges a $5 monthly maintenance cost unless you meet a balance rule. Over three months, that cost totals $15, so the $250 gross interest becomes $235 before taxes. Not a disaster, but suddenly the rate isn't the whole story.
Savings interest is generally taxable interest under IRS rules. Your actual tax hit depends on your situation, so the practical move is to compare the expected interest with any account costs, then remember that the after-tax amount is what lands in your real life.
Run the test before moving
Use this quick filter before moving any of the $25,000:
- List the dollars you need in the next few weeks.
- Subtract a checking cushion for same-day surprises.
- Confirm the remaining cash can sit for three months.
- Estimate the interest on that amount at 4.00% APY.
- Check transfer timing, deposit insurance, minimums, and monthly costs.
If $10,000 can sit for three months at 4.00% APY, it earns about $100 before taxes. If $20,000 can sit for three months at 4.00% APY, it earns about $200 before taxes. Same decision, scaled to the cash that actually has room to wait.
Bottom line
If $25,000 is earning almost nothing and can sit for three months, a high-yield savings account paying 4.00% APY produces about $250 before taxes over that period. Leaving the money where it is gives up most of that interest.
Keep bill money and same-day emergency cash where you can reach it. Then let the dollars that can wait do something useful for the next 90 days.
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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AWARD WINNER
Best Checking and Savings Combo
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4.20
With $0 min. balance1 <p>Earn up to 4.20% Annual Percentage Yield (APY) on one SoFi Savings account with a 0.90% APY Boost (added to the 3.30% APY as of 9/23/26) 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>
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APY
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Limited-Time Offer: +0.90% boost on Savings APY to up to 4.20% for up to 6 months on new accounts1 <p>Earn up to 4.20% Annual Percentage Yield (APY) on one SoFi Savings account with a 0.90% APY Boost (added to the 3.30% APY as of 9/23/26) 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 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 12/31/2026. Full terms at <a href="https://www.sofi.com/banking/">sofi.com/banking</a>. SoFi Checking and Savings is offered through SoFi Bank, N.A., Member FDIC. SoFi members with Eligible Direct Deposit can earn 3.30% annual percentage yield (APY) on savings balances (including Vaults) and 0.50% APY on checking balances. There is no minimum Eligible Direct Deposit amount required to qualify for the 3.30% APY for savings (including Vaults). Members without Eligible Direct Deposit will earn 0.80% APY on savings balances (including Vaults) and 0.50% APY on checking balances. Interest rates are variable and subject to change at any time. These rates are current as of 9/23/26. Fees may reduce earnings. Additional information can be found at <a href="https://d32ijn7u0aqfv4.cloudfront.net/wp/wp-content/uploads/raw/SoFi-Bank-Rate-Sheet-September-23-2026.pdf">http://www.sofi.com/legal/banking-rate-sheet</a>.</p> Terms apply. | |||
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4.20
With $250+ monthly deposits
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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>
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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 October 31, 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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