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Option Adjustable-Rate Mortgage (Option ARM)


The Option Adjustable-Rate Mortgage (Option ARM) is a type of mortgage where the borrower has several potential payment options each month, often including a minimum payment option, interest-only option, and a 15- or 30-year payment option. The interest rate varies, hence the term ‘adjustable rate’. However, due to an often low-initial payment and potentially negative amortization, the borrower might end up owing more than the original loan amount.


The phonetics for the keyword “Option Adjustable-Rate Mortgage (Option ARM)” could be written as: “ɔːpʃən əˈdʒʌstəbəl reɪt ˈmɔːrgɪdʒ (ɔːpʃən ɑːrɛm)”

Key Takeaways

  1. Flexible Payment Options: Option Adjustable-Rate Mortgage (Option ARM) offers flexibility in payment options according to the customer’s financial status. You could pay the traditional amortized principal and interest, only the interest for the specific period, or a minimum payment option which may be less than the interest. This allows for lower initial monthly payments compared to traditional mortgage products.

  2. Changing Interest Rates: Option ARMs have variable interest rates. They’ll start with a low introductory rate, which will increase over time. The degree of change depends on the changes in the reference interest rate. While this can be advantageous in times of decreasing interest rates, it can lead to substantially higher interest costs when interest rates rise.

  3. Negative Amortization Risk: If minimum payments are made consistently under an Option ARM, it may result in negative amortization. This means the loan balance could increase rather than decrease over time because the unpaid interest is added to the loan’s principal. This can end up leading borrowers to owe significantly more than the original loan amount.

    1. Importance

      The Option Adjustable-Rate Mortgage (Option ARM) is an important business/finance term because it refers to a type of home loan that offers the borrower a variety of payment options. This type of mortgage allows borrowers to adjust their payments based on their financial situation at any given time, offering them flexibility in repaying their loan. An Option ARM includes choices such as interest-only payments, minimum payments, and 15- or 30-year fixed payments. However, it’s important to note that lower payments could lead to negative amortization, where the loan balance increases instead of decreases. Therefore, understanding how an Option ARM works is crucial for borrowers looking for flexibility but wishing to avoid potential financial pitfalls.


      The Option Adjustable-Rate Mortgage (Option ARM) is a financial tool designed to offer mortgage borrowers flexibility and control. It presents borrowers with diverse payment methods, allowing them to choose how much they pay periodically. This is especially beneficial in times of financial strain, as it provides an option to make smaller payments. Also, when finances improve, the borrower can opt to make larger payments to reduce the principal faster. Its versatility makes it an attractive option for borrowers with unstable or irregular income sources, such as small business owners, freelancers, or those expecting a significant rise in income in the future.In addition, the Option ARM is used in strategic property investments. Investors may opt for minimal payments to preserve cash flow for other investment opportunities or unexpected costs. The potential for negative amortization, a characteristic of Option ARM, where the loan balance could increase instead of decrease over time, depending on the payment option chosen, is a trade-off many are willing to accept for the flexibility it offers. Hence, while Option ARM can have potential risks, it serves as a tool offering financial manoeuvrability for specific borrower categories.


      1. Mr. Johnson: Mr. Johnson, a businessman, opts for an Option Adjustable-Rate Mortgage when he buys a new home in Seattle. He chooses this mortgage type, as it allows him to start with lower payments during the initial years of repayment. Over time, as his business grows and his income increases, he can switch to a higher payment option, gradually reducing principal as well.2. Tech Startup Company: A successful tech startup company uses an Option ARM to purchase their first office building in Silicon Valley. The company decides to use this type of mortgage due to its flexibility amidst an unpredictable and fast-paced tech market. In the initial years, they opt for ‘minimum payment’ option to reduce expenses while channeling more funds into business growth. As revenues increase, they decide to shift to ‘fully amortizing payment’ option to pay off the mortgage faster.3. Mrs. Miller’s Investment Property: Mrs. Miller, an investor, utilizes an Option ARM to finance a rental property. She was attracted to Option ARMs due to the lower initial interest rate and minimum payments. She decides to pay just the interest for the first few years, maintaining low expenses while renting out the property for steady income. Later, when the property value increases, she sells the property at a higher price, paying off the rest of the loan with profits from the sale.

      Frequently Asked Questions(FAQ)

      What is an Option Adjustable-Rate Mortgage (Option ARM)?

      An Option Adjustable-Rate Mortgage (Option ARM) is a type of home loan that gives the borrower four payment options each month: a 30-year or 15-year payment, an interest-only payment, and a minimum payment that could be lower than the monthly interest due.

      How does an Option ARM work?

      Option ARM loans permit the borrower to choose how much they wish to pay each month. The borrower can pay off principal and interest for either a 15 or 30-year term, pay only the accrued interest, or make a minimum payment, often lower than the interest due.

      What are the advantages of an Option ARM loan?

      The primary advantage is the flexibility. Borrowers can adjust their payments according to their financial situation at a given time. Option ARMs often have a low introductory interest rate, which can make initial payments quite affordable.

      Are there any downsides to an Option ARM loan?

      Yes. Making only the minimum payments can lead to negative amortization, which means the loan balance can increase instead of decrease over time. Also, when the introductory period ends, the interest rate will adjust based on market rates, which can cause a significant increase in the monthly payment, a phenomenon known as payment shock.

      Is an Option ARM right for everyone?

      No, it isn’t. It best suits those with irregular income, like self-employed individuals, who find the payment flexibility useful. Borrowers who plan to refinance or sell the home within a few years may also find it beneficial.

      What happens when the term of an Option ARM ends?

      At the end of the term, often 30 years, the loan must be paid off. If the borrower has been making minimum payments, they may owe a large balloon payment at the end of the loan term.

      Can I change my payment option every month?

      Yes, typically you can change the payment option every month. However, some lenders may have restrictions, so it’s important to understand your loan terms.

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