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With enough money in savings, investors could live off of interest. How big of a nest egg is needed, and is it a good idea?

If you’re new to investing, you might ask, “What is an asset class?” Here’s an explainer—plus learn how this can help you diversify your portfolio.

In a rising interest rate climate, especially after historic lows, you may be more aware of purchase interest charges on your credit card statement. These charges are a wordy way of saying interest, which you owe when you don’t pay your credit card statement balance in full.

Americans pay about $120 billion per year in credit card interest and fees — about $1,000 per year for each household. Read on for more about credit card interest, including how it works and how to find your card’s interest rate.

What Is Credit Card Interest?

Credit card interest is what you’re charged by a credit card issuer when you don’t pay off your statement balance in full each month. Card issuers may charge different annual percentage rates (APRs) for different types of balances such as purchases, balance transfers, cash advances, and others. You may also be charged a penalty APR if you’re more than 60 days late with your payment.

An interest charge on purchases is the interest you are paying on the purchases you make with the credit card but don’t pay in full by the end of the billing cycle in which those purchases were made. The purchase interest charge is based on your credit card’s annual percentage rate (APR) and the total balance on that card — both of which can fluctuate.

Taking a closer look at your credit card balance and interest rate can help you figure out the best way to pay it off. Here’s some information about how purchase interest charges work and, in general, how interest works on a credit card.

Recommended: Average Credit Card Interest Rates

How Does Credit Card Interest Work?

Credit cards charge different APRs on purchases, cash advances, and balance transfers. The cardmember agreement that was included when you first received your credit card outlines the different APRs and how they’re charged. This information is also included in brief on each monthly billing statement, or you can contact your credit card issuer’s customer service department for this information. Another place to find how interest works on various credit cards is through the Consumer Financial Protection Bureau, which maintains a database of credit card agreements from hundreds of card issuers.

Some credit cards offer an introductory 0% interest rate. But once that promotional period ends, paying your balance in full each month is how you can avoid interest charges.

For example, you get a new credit card with a $5,000 available credit limit and 0% interest for three months. You use the credit card to buy a new computer that costs $3,000 and a designer dog house for your poodle that costs $1,000.

For each of the three interest-free months you pay only the minimum balance due. But since the full balance hasn’t been paid, your fourth statement will include a purchase interest charge. That is the interest you now owe because you did not pay off your credit card statement balance in full.

Credit card interest is variable, based on the prime rate, and banks typically calculate interest daily. A typical interest calculation method used is the daily balance method.

•   The bank will calculate the daily periodic rate, which is the APR divided by 365.

•   To each day’s balance, the bank will add any interest charge from the previous day (compounded interest) and any new transactions and fees, then subtract any payments or credits. This is the new daily balance.

•   The daily periodic rate is multiplied by the daily balance each day.

•   At the end of the billing cycle, each day’s balance is added together, resulting in the amount of interest owed.

•   If the amount owed is less than the minimum interest charge shown on the credit card’s fee schedule, the bank will charge the minimum.

You can make a payment toward your balance due at any time — you don’t have to wait until the due date. Since interest is commonly calculated daily, making multiple smaller payments rather than one large payment on the due date is one way to decrease the amount of interest you might owe at the end of the billing cycle. This can be a good strategy to use if you don’t pay your credit card bill in full each month. You’ll still owe some interest, but it may be less.

Recommended: APR vs. Interest Rate

What is a Purchase Interest Charge?

Sometimes also known as a finance charge, an interest charge on purchases is simply interest you pay on your credit card balance for purchases you made but didn’t pay in full. If you don’t pay off your balance each billing cycle, a purchase interest charge for the unpaid amount then becomes part of the total balance you owe.

For example, let’s say you owe $1,000 on a credit card, and because you did not pay that $1,000 in full you were charged a purchase interest charge of $90. You now owe $1,090, and then the next month’s purchase interest charge will be calculated based on a balance of $1,090.

This is called compound interest and can lead to a cycle of credit card debt. The interest charges continue to accrue if you’re not paying your balance in full every month.

How Do You Get Rid of a Purchase Interest Charge?

For a temporary reprieve from paying an interest charge on purchases, you might look for a credit card that has an introductory 0% APR. Some credit card issuers offer introductory rates for anywhere from 12 to 18 months for qualified applicants. If you make a plan for paying off the balance before the promotional period ends and you’re diligent about sticking to it, you could forgo paying interest on purchases made during that period.

Some people might choose this strategy rather than taking out a personal loan for a specific purchase. If you’re sure you can pay the balance in full while the APR remains at 0%, it could be a good strategy.

The only sure way not to pay a purchase interest charge is to pay your credit card balance in full each month.

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Different Types of Credit Card Interest

Interest charges on purchases are just one type of interest charged on a credit card. Other transactions and fees may apply and must be disclosed to credit card applicants. The information can be found in a credit card’s rates and fees table often referred to as the “Schumer Box” after legislation introduced by Sen. Chuck Schumer as part of the Truth in Lending Act. The APR for purchases is typically at the top of the list, with others below.

•   Balance transfer APR: If you transfer a balance from one credit card to another, this is the rate you’ll pay on the amount of the transfer. You’ll also be charged interest at this APR on any balance transfer fee your card issuer might charge you.

•   Cash Advance APR and fee: Cash advance APRs tend to be much higher than purchase APRs, and there’s typically no grace period — interest starts accruing immediately. Like a balance transfer fee, you’ll be charged interest on a cash advance fee, too.

•   Penalty APR: If your credit card payment is more than 60 days late, your credit card issuer may increase your APR. If you make the next six consecutive payments on time, the card issuer must reinstate your original APR on the outstanding balance. But they are allowed to keep the higher penalty APR on any new purchases.

In addition to interest charges, there may also be fees charged. All of these fees could potentially accrue interest at their respective rates if the credit card’s balance is not paid in full by the payment due date.

•   Annual fee: Some credit cards charge an annual fee to the card holder.

•   Balance transfer fee: A fee of 3% to 5%, typically, on the amount transferred.

•   Cash advance fee: The greater of a flat dollar amount or a percentage of the cash advance.

•   Foreign transaction fee: A percentage of each transaction amount, in U.S. dollars.

•   Returned payment fee: Having insufficient funds in the bank account used to pay your credit card bill could result in a returned payment fee.

•   Late payment fee: Payments made after the statement due date will incur a late fee of at least $29 and not more than $40.

Where Can I Find My Credit Card’s Interest Rates?

There are several places you can locate your credit card’s interests rates and fees.

Anytime you receive a solicitation for a credit card, which is basically an advertisement, the credit card issuer is required by law to disclose the card’s possible interest rates and fees, as well as how interest is calculated. Since the recipient of this advertisement hasn’t been approved for the credit at this point, these numbers are estimations.

If you are going through a prequalification process for a credit card, the issuer should be able to provide you with more specific APRs so you can decide if that card is a good financial tool for you.

After you’ve been approved, the credit card issuer will mail you a packet containing your physical credit card and detailed information in a cardmember agreement. It’s a good idea to read this document thoroughly so you’re aware of all possible APRs and fees you could be charged.

If you access your credit card account online, you can also find this same detailed information on the card issuer’s website. You can call the card’s customer service telephone number for the information.

The Takeaway

If you’re one of the many people who carry a credit card balance, knowing how much interest you’re paying on different types of charges is important. Interest charges on purchases are likely the most common interest charges, and the amount of interest you may pay can add up quickly.

To keep from paying interest on purchases at all, it’s important to pay your credit card balance in full each month. If you don’t, you’ll accrue interest, which compounds and can create a debt cycle.

3 Personal Loan Tips

1. Before agreeing to take out a personal loan from a lender, you should know if there are origination, prepayment, or other kinds of fees. If you get a personal loans from SoFi, there are no-fee options.
2. If you’ve got high-interest credit card debt, a personal loan is one way to get control of it. But you’ll want to make sure the loan’s interest rate is much lower than the credit cards’ rates — and that you can make the monthly payments.
3. Just as there are no free lunches, there are no guaranteed loans. So beware lenders who advertise them. If they are legitimate, they need to know your creditworthiness before offering you a loan.

SoFi Loan Products
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External Websites: The information and analysis provided through hyperlinks to third-party websites, while believed to be accurate, cannot be guaranteed by SoFi. Links are provided for informational purposes and should not be viewed as an endorsement.

Financial Tips & Strategies: The tips provided on this website are of a general nature and do not take into account your specific objectives, financial situation, and needs. You should always consider their appropriateness given your own circumstances.

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Money market accounts can offer higher interest rates than a traditional checking account but may come with high minimum balances and fees.

A swaption, also known as a swap option, is an option contract that grants the owner the right but not the obligation to enter into a swap contract with specified terms. The swap contracts tend to be interest rate swaps, but can be other types of swaps as well.

With swaptions, one party can exchange a currency of the same value, an interest rate, or the liability of repaying a loan. Read on for how they work, the different types, pros and cons, and more.

How Swaptions Work

As mentioned above, a swaption is an option on a swap rate. Like other types of options contracts, the buyer pays a premium to enter into the swaption, and beyond that they are not obligated to act on the contract.

Although Swaptions are a type of option, they are more similar to a swap than to an option. Similarities to swaps include:

•   They are traded over-the-counter instead of on centralized exchanges.

•   They are customizable and offer a lot of flexibility since they are not standardized exchange products.

When two parties want to enter into a swap option agreement, they decide on the terms of the contract, such as the the premium, the expiration date, the notional amount, the swap’s legs (fixed vs. float), the benchmark for the floating leg, and the frequency of adjustment for the variable leg.

Recommended: Options Trading 101 Guide

Who Often Uses Swaptions

Swaptions are typically used by institutional investors instead of retail investors, although some private banks offer them to their clients. Large corporations, investment banks, commercial banks, and hedge funds use them for various purposes. It takes a lot of work and experience to create a portfolio of swaptions, so they generally aren’t used by individuals or small firms.

They are often used to hedge against macroeconomic risks such as interest rate risk or securities risks. If an institution thinks interest rates might change, they can enter into an agreement to protect against that. Financial institutions can also use them to change their interest payoff terms.

They tend to be used to hedge specific financings, but they can also be used to hedge a broader change in future interest rates. This can be useful if an institution holds a lot of debt maturities for the year and doesn’t want to risk losses.

The way swaptions are generally set up, their strikes are a strike above the current 10 year swap rate. Therefore the borrower takes on risk between the current rate and the higher rate, but not more than that.

Swaptions can be purchased in most major currencies, such as the U.S. Dollar, Euro, and British Pound.

Recommended: Popular Options Trading Terminology to Know

What Are the Different Types of Swaptions?

There are different types of swap options that each have different types of ‘legs’ in the predetermined swap contract they represent. The two types of options are payer and receiver.

Payer Swaption

If a buyer enters into a payer swaption, they are purchasing the right but not the obligation to enter into a future swap contract. When exercised, the buyer would become the fixed-rate (non-changing) payer and receive the floating rate (variable) payments.

Fixed interest rates don’t change with the market, they stay the same through the duration of a loan. Floating rates change based on a reference rate, the most common one being LIBOR. LIBOR is an average of interest rates that are collected from some of the top banks in London.

Receiver Swaption

In a receiver swaption contract, the swap holder has the option to pay the floating rate and receive the fixed rate.

When Can a Swaption Be Exercised?

There are also swaptions that have different terms of execution. The three most common are:

American

American swaptions can be exercised on any date prior to and including the expiration date.

European

European options can only be exercised on the expiration date, making them less flexible.

Bermudan

Bermudan swaptions have several specific dates when they can be exercised prior to the expiration date.

Swaption Example

A borrower wants to purchase rate protection on their current floating rate debt maturities totalling $50 million. They decide that they would like to purchase the right, but not the obligation, to pay a fixed rate on their debts for ten years.

For this right, they are willing to take on the risk of 10 year interest rates up to 3.8%, but no higher than that.

The borrower enters into an agreement with a settlement date in the current year, for a notional amount of $50 million, with a 10 year term and a strike of 3.8%. The premium they must pay to enter in this contract is $400,000.

Including the premium, the rate is actually hedged higher than 3.8%, but for the sake of this example we will call the strike 3.8%.

If the strike is lower or the settlement date is farther in the future, this increases the value of the swaption and therefore increases the cost of the premium.

The borrower enters into this agreement to hedge against a large increase in swap rates but without choosing a specific rate they want when the contract expires.

It’s important to note that the swaption isn’t tied to the 10 year Treasury, it’s tied to 10 year swap rates, although their movements tend to be related. Also, swaptions are derivatives, so they aren’t the underlying assets themselves, but contracts derived from rates or assets.

When the settlement date occurs, there are two ways the swaption could turn out.

1. If 10 year swap rates are below 3.8%, the option contract expires, the lender keeps the premium and the borrower uses the current swap rate.
2. If 10 year swap rates are higher than 3.8%, the borrower exercises the option. In this case the provider of the swaption pays the borrower the difference between the swap rate and 3.8%. The borrower locks in the current swap rate for a swap agreement, and uses the payment they received to buy down the rate on this new swap.

Pros and Cons of Swaptions

There are a few reasons why financial institutions use swaptions, but there can be downsides to them as well. Some of the pros and cons of swap options are:

The Takeaway

Entering into swaption agreements is one type of options trading strategy commonly used by institutional investors. They are usually used to help with restructuring a current financial position, alter a portfolio, hedge options positions on bonds, or adjust payoff profiles.

There are other types of options on the market that retail investors often trade.

If you’re ready to try your hand at options trading, You can set up an online options trading account and trade from the SoFi mobile app or through the web platform.

And if you have any questions, SoFi offers educational resources about options to learn more. SoFi doesn’t charge commissions, and members have access to complimentary financial advice from a professional.

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