The basic steps: where your money goes and how long it takes

Putting money into a high yield savings account means moving funds from wherever you keep them now—a checking account, a regular savings account, cash, an investment account—into a savings account that pays a higher interest rate. The process itself is straightforward: you link the account you're moving money from, initiate a transfer, and the funds arrive within one to three business days in most cases.

The speed depends on how you move the money. A transfer between two accounts at the same bank happens the same day or next business day. A transfer between different banks uses the ACH network (Automated Clearing House), which takes one to three business days. A wire transfer is faster—usually same day or next business day—but many high yield savings accounts don't accept incoming wires, so check first. Depositing a check by mobile app or mailing a check takes five to ten business days.

The account you're moving money from doesn't disappear. You keep it open, keep using it if you want, and straightforward move some or all of your balance to the high yield account. Many people keep a checking account for everyday spending and bills, then move extra money to the high yield account where it earns more interest.

Key Takeaways

  • You can move money from any bank account, brokerage, or cash into a high yield savings account using ACH transfer, wire transfer, check deposit, or same-bank transfer.
  • ACH transfers between different banks take one to three business days and are free; wire transfers are faster but may cost $15 to $30 and aren't accepted by all high yield accounts.
  • You need the routing number and account number of the account you're transferring from, or you can link it through the high yield bank's app or website.
  • The money you deposit is yours when ready once it arrives; you don't have to wait to earn interest, though interest accrues daily and posts monthly or daily depending on the account.
  • High yield savings accounts have no deposit limits, but some banks cap how much interest you earn per month or restrict transfers out; read the account terms before opening.

Linking your existing account to the high yield bank

Most high yield savings accounts let you link an external account—one at a different bank—directly through their website or mobile app. You'll enter the routing number and account number of the account you want to transfer from. The routing number is a nine-digit code that identifies your bank; you can find it on a check, in your bank's app, or by calling the bank. The account number is on your checks or in your online banking portal.

After you enter these numbers, the high yield bank usually verifies the account by sending two small deposits (typically under $1 each) to that account within one to two business days. You then log into your original bank's account, find those deposits, and enter the amounts back into the high yield bank's app to confirm you own the account. This verification step protects you from accidentally sending money to the wrong place.

Once the account is linked and verified, you can initiate transfers whenever you want. You'll specify the amount, the date (usually when ready or a future date), and whether it's a one-time transfer or recurring. Some high yield banks let you set up automatic transfers—for example, $500 every Friday—so money moves without you having to think about it.

Moving money from a checking or savings account at your current bank

If you're moving money to a high yield account at a different bank than your checking or savings account, use the linking process above. If you're moving money within the same bank—for example, from a regular savings account to a high yield savings account at the same institution—the transfer is usually when ready or completes by the next business day. You can do this through the bank's app or website by selecting "transfer between accounts" and choosing the source and destination.

Some banks let you move money by phone or in person at a branch. Call the customer service number on the back of your debit card or visit a branch with your ID, tell them you want to transfer funds to your high yield account, and they'll process it. This method is slower than online—it may take a business day or two—but it's useful if you're not comfortable with online banking or if you want to deposit cash.

Depositing checks or cash

If you have a physical check, most high yield savings accounts let you deposit it by taking a photo with your phone. Open the bank's app, find "mobile check deposit" or "deposit a check," take clear photos of the front and back of the check, enter the amount, and submit. The check is usually available within one to three business days, though some banks make it available the next business day. You don't have to mail the check or visit a branch.

Cash is trickier. Most online-only high yield banks don't have branches, so you can't walk in and deposit cash directly. Your options are to deposit the cash into your checking account at your current bank first, then transfer it to the high yield account, or to use a bank that has physical locations. Some high yield accounts are offered by banks with branches (like Ally Bank's partner locations or Marcus by Goldman Sachs' partner ATMs), so check whether your bank has a way to deposit cash before opening the account.

Understanding transfer limits and timing

High yield savings accounts have no limit on how much money you can deposit at once. You can move $100 or $100,000 in a single transfer. However, some banks cap how many transfers you can make per month—often six outgoing transfers—though this rule is less common now. Check your account's terms to see whether there's a limit on transfers out (transfers in are usually unlimited).

The timing of when your money arrives depends on the method. ACH transfers from another bank take one to three business days. Wire transfers take the same day or next business day but may cost $15 to $30 and aren't accepted by all high yield accounts. Check deposits take five to ten business days. Same-bank transfers take one business day or less. If you need the money urgently, ask the high yield bank whether it accepts wire transfers and what the fee is before you open the account.

Once the money arrives in your high yield account, it's yours and you can withdraw it anytime. Interest starts accruing when ready, even if you only have the money in the account for a few days. Interest is usually calculated daily and posted to your account monthly, though some banks post it daily. The interest rate you see when you open the account is the rate you'll earn; it can change, but the bank will notify you before any change takes effect.

Moving money from investments or other financial accounts

If you're moving money from a brokerage account, a money market account, or another type of investment account, the process is similar to linking a bank account. You'll need the routing and account number (or the account details from your statement), and you'll initiate an ACH transfer through the high yield bank's website. This takes one to three business days.

Some brokerages charge a fee to move money out, so check your brokerage's terms before initiating the transfer. If you're moving money from a retirement account like an IRA or 401(k), you'll need to follow different rules—you can't straightforward transfer it to a high yield savings account without triggering taxes and penalties. Talk to the institution holding the retirement account about your options; they may let you move money to a money market fund or a stable value fund within the retirement account instead.

What happens after the money arrives

Once your transfer completes and the money is in your high yield savings account, you don't have to do anything else. The interest rate you locked in when you opened the account applies to your balance. Interest accrues daily based on your balance and the annual percentage yield (APY), and it's added to your account on a schedule set by the bank—usually monthly, sometimes daily.

You can withdraw the money anytime without penalty. High yield savings accounts are liquid, meaning you can access your money whenever you need it. Some banks limit how many times you can withdraw per month, but most don't. If you want to move the money to a different account later, you can initiate an outgoing transfer the same way you initiated the incoming transfer.

Frequently Asked Questions

How long does it take money to show up in a high yield savings account?

ACH transfers from another bank take one to three business days. Wire transfers take the same day or next business day but may cost a fee. Check deposits take five to ten business days. Transfers within the same bank are usually when ready or next business day. The high yield bank will tell you the expected arrival date when you initiate the transfer.

Do I need to close my old account before opening a high yield savings account?

No. You can keep your old checking or savings account open and use it for everyday spending while your high yield account earns interest on the money you're not using right away. Many people maintain both accounts for this reason.

Can I deposit cash into a high yield savings account?

Most online-only high yield banks don't have branches, so you can't deposit cash directly. Deposit the cash into your checking account first, then transfer it to the high yield account. Some high yield accounts are offered by banks with physical branches or partner ATMs, so check before opening if cash deposits matter to you.

Is there a maximum amount I can deposit into a high yield savings account?

No. You can deposit as much as you want in a single transfer or over time. Some banks cap the number of outgoing transfers per month, but incoming deposits are usually unlimited. Check your account's terms for any restrictions.

When do I start earning interest on the money I deposit?

Interest starts accruing the day the money arrives in your account, even if you only keep it there for a few days. Interest is usually calculated daily and posted monthly, though some banks post it daily. You'll see the interest added to your balance on the posting schedule set by your bank.