Capital One deposits interest monthly, on the last business day of each month
Capital One 360 savings accounts earn interest daily but deposit it into your account once a month. The deposit happens on the last business day of each calendar month. If the last day of the month falls on a weekend or holiday, the deposit moves to the next business day.
The amount you receive depends on the current Annual Percentage Yield (APY) that Capital One is offering at that time. That rate changes periodically—sometimes weekly—based on Federal Reserve decisions and market conditions. Your account earns interest on your full balance every single day, but you only see the money appear once monthly.
You can check your current APY by logging into your Capital One 360 account online or through the mobile app. The rate shown is what you are earning right now, not a may provide rate for the future.
Key Takeaways
- Interest deposits happen on the last business day of each month, not daily or weekly.
- Your balance earns interest every day of the month, even though you see the deposit only once.
- The APY changes based on market conditions and Federal Reserve policy, so your monthly deposit amount will vary.
- You can view your current rate and projected monthly earnings in your online account dashboard.
- If the last business day falls on a weekend or holiday, the deposit occurs on the next business day instead.
How daily interest accrual works before the monthly deposit
Capital One calculates interest on your account balance every single day using a method called daily compounding. This means the interest earned on day one gets added to your balance, and then day two's interest is calculated on that larger amount. Over the course of a month, this compounding effect means you earn slightly more than if interest were calculated only once.
The daily accrual is invisible to you until the monthly deposit. Your account balance does not change day to day—you see the same balance until the interest hits on the last business day. But behind the scenes, Capital One is tracking how much interest you have earned each day and adding it all up.
This daily accrual method is standard across most online savings accounts. It benefits you because you earn interest on interest, even though you do not see the intermediate steps.
What happens if you withdraw money before the monthly deposit
If you withdraw funds before the end of the month, you still keep all the interest you have earned up to that point. Capital One does not claw back accrued interest or penalize early withdrawals. The interest that has accumulated through the day you withdraw is yours.
However, the interest you would have earned on the withdrawn amount for the remaining days of the month is lost. For example, if you withdraw $5,000 on the 15th of the month, you earn interest on that $5,000 for 15 days, but not for the remaining days. The interest already accrued stays with you.
Capital One 360 savings accounts have no withdrawal limits and no penalties for moving money out, so you can access your funds whenever you need them without losing the interest you have already earned.
How the APY changes and what that means for your monthly deposit
Capital One adjusts its savings account APY in response to changes in the federal funds rate set by the Federal Reserve. When the Fed raises rates, Capital One typically raises its APY within days or weeks. When the Fed cuts rates, Capital One usually cuts its APY as well, though sometimes with a slight delay.
Because the rate can change at any time, your monthly interest deposit will fluctuate. One month you might receive $15 in interest; the next month, if rates have dropped, you might receive $12. If rates rise, your deposit will increase. There is no way to lock in a rate for a year or longer with a Capital One 360 savings account—the rate is variable.
You can see the rate history and current APY in your account settings. Some online banking platforms also show you an estimate of what you will earn in the next month based on your current balance and rate.
Comparing Capital One's rate to other online banks
Capital One 360 competes with other online banks on APY, but the rate is not always the highest available. Banks like Marcus, Ally, and American Express Personal Savings sometimes offer higher rates, and sometimes Capital One offers more. The differences are usually small—often less than 0.5% APY—but over time they add up.
The timing of rate changes also varies by bank. Some banks move faster than others when the Fed adjusts rates. If you are comparing accounts, check the current APY on each bank's website rather than relying on older information, because rates change frequently.
Capital One 360 does offer other benefits beyond rate—no monthly fees, no minimum balance, and easy transfers to and from external accounts—so the decision to stay or switch depends on whether the rate difference matters enough to you to move your money.
How to track your interest earnings
Log into your Capital One 360 account online or through the mobile app and navigate to your savings account details. You will see your current APY displayed prominently. Most accounts also show a running total of interest earned year-to-date.
After each monthly deposit, you can see the exact amount deposited in your transaction history. This gives you a real record of what you earned that month. Some users keep a simple spreadsheet to track monthly deposits over time, which helps them see how rate changes affect their earnings.
You can also use an online savings calculator to estimate what you will earn over the next year based on your current balance and APY. These calculators assume the rate stays constant, so the actual amount will differ if rates change—but they give you a reasonable ballpark.
What to do if your interest deposit does not arrive on the expected date
If you are expecting an interest deposit on the last business day of the month and it does not appear by the next business day, check whether that day was actually a business day. U.S. federal holidays and weekends push the deposit forward. If the delay extends beyond the next business day after a holiday, contact Capital One customer service.
Interest deposits are rare sources of error, but they can happen. Capital One's customer service team can review your account and confirm whether the deposit was processed and when it should appear. You can reach them through the app, by phone, or through your online account.
Keep in mind that if you have recently opened your account or made large deposits, there may be a slight delay before interest begins accruing. Capital One typically begins accruing interest on the day funds are available in your account, not the day you initiate the transfer.
Frequently Asked Questions
Does Capital One charge a fee for the savings account?
No. Capital One 360 savings accounts have no monthly maintenance fee, no minimum balance requirement, and no fee for withdrawals or transfers. The only cost is the opportunity cost of earning a lower rate than you might find elsewhere.
Can I set up automatic transfers to my savings account?
Yes. You can schedule recurring transfers from your Capital One checking account or from external bank accounts. These transfers do not affect when interest is deposited—interest still arrives on the last business day of the month regardless of when you add money.
What if I have multiple Capital One savings accounts?
Each account earns interest independently and receives its own monthly deposit on the last business day of the month. The APY is the same across all your Capital One savings accounts, but the interest amount depends on each account's balance.
Is the interest taxable?
Yes. Interest earned on a savings account is taxable income. Capital One will send you a 1099-INT form at the end of the year if you earned $10 or more in interest. You report this on your tax return as interest income.
What happens to my interest if I close my account mid-month?
You receive the interest accrued through the day you close the account. If you close before the last business day of the month, you will not receive the full month's interest—only what you earned up to the closure date.