Banks set savings rates based on what the Federal Reserve charges them to borrow, what they pay depositors elsewhere, and how much cash they need right now

Your savings account rate is not a mystery or a kindness. It is a price. Banks borrow money at one cost and lend it out at a higher cost. The difference is their profit. Your savings account rate sits somewhere in that gap—high enough to attract your deposit, low enough that the bank still makes money when it lends what you deposited to someone else at a mortgage or business loan rate.

The Federal Reserve sets a target range for the federal funds rate, which is the rate banks charge each other for overnight loans. When the Fed raises that rate, banks' borrowing costs go up. When the Fed cuts it, borrowing costs fall. Banks pass some of this change to you, though not always all of it, and not always right away. A bank might raise savings rates slowly after a Fed increase but cut them quickly after a Fed cut—because they want to keep your money but do not want to pay more than they have to.

Beyond the Fed's rate, a bank looks at how much money it already holds and how much it needs. If deposits are flowing in faster than the bank can lend them out profitably, the rate stays low—the bank does not need to bid for more money. If deposits are scarce and the bank needs cash to meet loan demand, it raises the rate to pull in more accounts. This is why online banks often pay higher rates than brick-and-mortar banks: they have lower overhead costs and can afford to offer more of the spread to you.

Key Takeaways

  • The Federal Reserve's target rate is the starting point; when the Fed raises or cuts rates, banks adjust what they pay you, though the timing and amount vary by bank.
  • Banks keep the difference between what they pay you and what they charge borrowers, so your rate is set to balance attracting deposits with maintaining profit.
  • A bank with excess deposits may lower rates because it does not need more money; a bank with loan demand may raise rates to pull in more accounts.
  • Online banks typically pay higher rates than traditional banks because they have fewer physical branches and lower operating costs to recover.
  • Your rate can change at any time after you open the account, because savings rates are not locked in the way mortgage rates are.

The Federal Reserve's influence on what banks pay you

The Federal Reserve does not set savings account rates directly. Instead, it sets the federal funds rate—the interest rate at which banks lend reserve balances to each other overnight. This rate is a floor. Banks use it as a reference point when deciding what to pay depositors and what to charge borrowers.

When the Fed raises its target rate, banks' cost of borrowing from each other rises. To stay competitive for deposits, banks typically raise savings rates within weeks or months. When the Fed cuts rates, banks often cut savings rates faster, because they want to reduce what they pay out. This asymmetry is why you may see your rate drop quickly after a Fed cut but rise slowly after a Fed increase.

The relationship is not one-to-one. A 0.25% Fed rate increase does not automatically mean your savings rate goes up 0.25%. A bank might raise it by 0.10%, or 0.20%, or not at all—it depends on the bank's own situation and how much pressure it feels from competitors.

How a bank's deposit needs shape the rate it offers

Banks are in the business of lending. They take your deposit, hold a small percentage in reserve (set by the Fed), and lend the rest to mortgage borrowers, business owners, and credit card users. The interest those borrowers pay is the bank's main revenue. Your savings rate is an expense the bank tries to minimize while still keeping your money.

If a bank has more deposits than it can lend out profitably, it has a problem: cash sitting idle earns nothing. In this case, the bank lowers rates to discourage new deposits and encourage existing customers to move money into checking accounts or CDs. Conversely, if a bank has strong loan demand and not enough deposits to fund those loans, it raises rates to attract more accounts. This is why rates vary so much between banks—each one is managing its own balance sheet.

During periods of economic uncertainty, deposits often flow into banks faster than usual because people pull money out of stocks and other investments. Banks respond by lowering savings rates because they have more cash than they need. During strong economic growth, loan demand rises and deposits may slow, so banks raise rates to compete for the money they need.

Why online banks pay more than traditional banks

Online banks consistently offer higher savings rates than banks with physical branches. This is not because they are more generous—it is because their cost structure is different. A traditional bank pays for thousands of branch locations, tellers, security, and back-office staff. An online bank has one or a few data centers and a customer service team. That difference in overhead is substantial.

Because online banks have lower costs, they can afford to pass more of the spread to depositors. If a traditional bank lends money at 6% and pays you 0.01%, it keeps 5.99% to cover overhead and profit. An online bank with lower overhead might lend at 6% and pay you 4.50%, keeping only 1.50%, and still be profitable. Both banks are making money; the online bank just has a leaner operation.

This advantage is real but not infinite. Online banks still need to make a profit, and they still follow the same Fed-driven market. When the Fed cuts rates, online banks cut too. The gap between online and traditional rates narrows and widens with market conditions, but online banks rarely close it entirely.

The difference between fixed and variable savings rates

Savings account rates are variable, meaning they can change at any time after you open the account. The bank is not obligated to give you notice, though most do. This is different from a certificate of deposit (CD), where the rate is locked in for a set term, or a mortgage, where the rate is fixed for the life of the loan.

Because your rate can change, the interest you earn next month might be different from what you earn this month. If rates fall, your earnings fall with them. If rates rise, your earnings rise—but only if your bank raises its rate, which it may do slowly or not at all depending on competitive pressure.

Some banks offer high-yield savings accounts (HYSA) that track market rates more closely than standard savings accounts. These accounts are usually offered by online banks and tend to pay rates closer to the Fed's current target. Traditional banks' standard savings accounts often lag behind market rates because the bank has less incentive to raise them when it already has plenty of deposits.

Market competition and how banks respond to each other

Banks watch what competitors are paying. If one bank raises its savings rate and starts attracting deposits from other banks, competitors feel pressure to match or exceed that rate. This is how market rates move, separate from Fed action. A bank might raise rates not because the Fed moved, but because a competitor did and is taking market share.

This competition is why rates vary so much between banks even when they all face the same Fed rate. A bank trying to grow deposits aggressively might pay 4.50% while a bank with stable deposits pays 3.75%. Both are responding to the same Fed rate, but their business strategies are different.

Depositors benefit from this competition. If you shop around and move your money to a bank offering a higher rate, you are participating in the market mechanism that keeps banks honest. Banks know that if they fall too far behind competitors, they will lose deposits. This is why rate shopping is worth your time—the difference between 3.50% and 4.50% on $10,000 is $100 per year in additional interest.

Economic conditions that push rates up or down

Savings rates follow broader economic conditions, not just Fed decisions. During recessions, the Fed cuts rates to encourage borrowing and spending. Banks cut savings rates along with it. During periods of high inflation, the Fed raises rates to cool down the economy. Banks raise savings rates to attract deposits and manage their own costs.

Inflation matters directly to savers. If inflation is 3% and your savings rate is 0.50%, you are losing purchasing power—your money is worth less next year even though the account balance is higher. Banks know this. When inflation rises, they face pressure to raise rates or lose deposits to competitors who do. This is why savings rates tend to be higher during inflationary periods and lower during deflationary or low-inflation periods.

The health of the banking system also affects rates. During banking crises or periods of financial stress, banks become more cautious about lending and may raise savings rates to shore up their deposit base. During stable periods, banks are more aggressive about lending and may lower rates because they do not need to compete as hard for deposits.

Frequently Asked Questions

Why did my savings rate drop even though the Fed hasn't cut rates?

Banks can lower rates independently of Fed action if they have excess deposits and do not need more money. This is common when economic uncertainty drives people to move money into savings. Your bank may have decided it has enough deposits and lowered the rate to reduce what it pays out.

Can I lock in a savings rate so it doesn't go down?

No. Savings account rates are variable and can change at any time. If you want a locked-in rate, you need a certificate of deposit (CD), which fixes the rate for a set term—typically three months to five years. The tradeoff is that you cannot withdraw the money early without a penalty.

Why do online banks pay so much more than my current bank?

Online banks have lower overhead costs because they do not operate physical branches. They can afford to pass more of the interest spread to depositors and still be profitable. If your current bank is paying significantly less than online competitors, switching may increase your earnings without any risk to your deposits.

What happens to my rate if the Fed raises rates but my bank doesn't?

Your rate stays the same until your bank decides to raise it. Banks are not required to pass Fed increases to depositors. If your bank lags behind competitors for too long, you can move your money to a bank offering a higher rate. This market pressure is what eventually forces lagging banks to raise their rates.

Does the size of my deposit affect the interest rate I get?

For standard savings accounts, no. Most banks offer the same rate to all depositors regardless of balance. Some banks offer tiered rates where larger balances earn slightly higher rates, but this is uncommon. Money market accounts sometimes have tiered structures, so check your bank's terms.