Understanding how your savings grow is fundamental to smart financial management, especially for real estate investors managing rental property funds.
Annual Percentage Yield (APY) is a key metric that shows you the real rate of return on your savings. Knowing how APY works can help you choose the right accounts to maximize your earnings.
Key takeaways
- APY represents the effective annual rate of return on a savings account.
- It accounts for the power of compounding interest over a year.
- APY provides a clearer picture than a simple interest rate for comparing savings options.
- Compounding frequency significantly impacts the final APY.
- High-yield savings accounts typically offer much higher APYs than traditional accounts.
What is Annual Percentage Yield (APY)?
Annual Percentage Yield, or APY, is the actual rate of return you can expect to earn on an investment or savings account over a year. Unlike a simple interest rate, APY includes the effect of compounding interest.
This means you earn interest not only on your initial deposit but also on the interest that has already been added to your account. APY is the actual rate of return that will be earned in one year if the interest is compounded.
APY vs. Interest Rate: Understanding the Difference
The simple interest rate, also known as the nominal rate, is the rate before compounding is considered. APY, on the other hand, is the effective annual rate after taking compounding into account.
For example, a nominal rate of 5% compounded monthly will result in a higher APY than a 5% rate compounded annually. The APY gives you a standardized way to compare different savings accounts, regardless of their compounding frequency.
The power of compounding: How your money grows faster
Compounding is the process where the interest you earn is added back to your principal balance. This increased balance then earns more interest in the next period.
Over time, this creates a snowball effect, causing your money to grow faster than it would with simple interest. The more frequently interest is compounded (e.g., daily vs. monthly), the higher the effective APY will be, assuming the same nominal rate.
Imagine saving funds for property maintenance or a future down payment. Earning interest on your accumulated interest helps your reserves grow more quickly. This compounding effect is particularly beneficial for larger balances held for longer periods.
APY vs. APR: Knowing when to use each rate
While APY is commonly used for savings and investments, Annual Percentage Rate (APR) is typically associated with loans. APR represents the annual cost of borrowing, including interest and fees, but usually does not account for compounding within the year.
APY, in contrast, specifically factors in how frequently interest is compounded in a savings context. Understanding the difference prevents confusion when comparing earning rates (APY) versus borrowing costs (APR).
How is APY calculated?
The formula to figure out APY looks like this: APY = (1 + r/n)^n – 1.
In this formula:
- ‘r’ is your yearly interest rate written as a decimal (for example, 4% is 0.04).
- ‘n’ is the number of times your interest is added each year.
Here’s an easy example.
Say your savings account has a 4% yearly interest rate and the bank adds interest every month. That means r = 0.04 and n = 12.
Plug those into the formula: (1 + 0.04/12)^12 – 1.
First, you divide 0.04 by 12 and add 1. Then you raise it to the 12th power and subtract 1.
Doing the math, you get about 1.04074. Take away 1 and you get 0.04074, or 4.074%.
So, even though your interest rate is 4%, the APY is a little higher because of monthly compounding.
Factors influencing savings account APY
Several factors determine the APY offered by a savings account. The overall interest rate environment, often influenced by the Federal Reserve, plays a significant role. The type of financial institution also matters.
Traditional banks may offer lower APYs compared to online digital banking platforms or credit unions. The specific account type and features, such as minimum balance requirements or withdrawal restrictions, can also affect the rate.
Finally, as discussed, the frequency of compounding directly impacts the APY calculation.
Traditional vs. high-yield savings accounts: A look at current APYs
The difference in APY between traditional savings accounts and high-yield savings accounts is often substantial. As of June 13, 2025, the national average APY for traditional savings accounts was 0.61%. This rate is relatively low and offers minimal growth potential for your savings.
In contrast, as of June 2025, the most competitive high-yield savings accounts offer annual percentage yields ranging from approximately 4.3% to 5.0%.
These accounts, often found through online banking platforms, provide significantly better returns. For a real estate investor, choosing a bank with a high-yield account can mean hundreds or even thousands of dollars in extra earnings each year on operational reserves or security deposits.
When choosing a bank for your rental property business, comparing these rates is crucial.
Maximizing your earnings: Finding savings accounts with high APY
To maximize the interest earned on your rental property savings, focus on finding accounts with competitive APYs. High-yield online savings accounts are generally the best place to start your search.
When comparing accounts, look beyond just the listed APY.
Consider any fees associated with the account that could eat into your earnings. Also, check for minimum balance requirements needed to earn the stated APY or to avoid monthly fees.
Having separate accounts for different properties or financial goals (like maintenance funds or security deposits) can help you stay organized while still earning competitive interest.
Setting up a dedicated bank account for rental property or a specific bank account for Airbnb can provide clarity. For investors operating as an LLC, understanding options for a business bank account for an LLC is important.
Baselane is designed specifically for landlords, allowing you to create unlimited accounts by property and offering a competitive APY on savings. This approach to a landlord’s business bank account helps organize finances and potentially earn more on reserves.
Estimating your savings growth with APY
Once you know the APY of an account, you can estimate how much your savings will grow over time.
While compound interest formulas can be complex, many online calculators allow you to input your initial deposit, the APY, and the time period to see potential earnings. A simple estimation involves applying the APY to your balance annually.
For example, if you have $10,000 in a high-yield account with a 4.5% APY, you could expect to earn around $450 in interest in the first year, assuming no deposits or withdrawals.
This earned interest is then added to your balance, and you earn interest on the new, larger amount in subsequent years, demonstrating the compounding effect. Real estate investors can use this to project the growth of reserve funds or plan for future expenses.
Bottomline
Understanding how APY works is fundamental for making smart decisions about where to keep your operational funds and reserves as a real estate investor. Choosing accounts with higher APYs can significantly boost your earnings over time, adding to your cash flow and future investment potential.
Many traditional accounts offer low rates, but high-yield options — often from online banking platforms — give you much better returns.
Baselane is designed specifically for landlords. You can create unlimited accounts for each rental property, stay organized, and earn a competitive APY on your savings. Having separate accounts for different properties or financial goals, like maintenance funds or security deposits, helps you manage money wisely while earning more.
Sign up for Baselane today to make your savings work harder for you.
FAQs
Annual Percentage Yield (APY) is the effective annual rate of return on a savings account that includes the effect of compounding interest. It shows the actual return earned over one year if interest is added back to the principal.
A simple interest rate is the nominal rate before compounding. APY takes into account how often interest is compounded and added to the balance within a year, providing a higher effective rate than the simple interest rate.
Yes, the frequency of compounding directly affects the APY. Assuming the same nominal rate, interest compounded more frequently (e.g., daily vs. monthly) results in a higher Annual Percentage Yield because you earn interest on your accumulated earnings more often.
APY is important for savings accounts because it provides a standardized measure of the return earned, factoring in compounding. This allows you to accurately compare the earning potential of different savings accounts from various financial institutions.
