Annuities 101

5

min read

What is a Fixed Index Annuity (FIA)? Pros & cons

Tiffanie Harding

Tiffanie Harding

February 28, 2025

Investing in stocks and mutual funds is often uncertain, but these strategies offer higher returns for those who are willing to face the volatility.  To enjoy direct exposure to high-growth opportunities without the risk of loss, you can get a fixed index annuity (FIA). Read on to discover what an indexed annuity is and if it suits your goals. 

What is a fixed index annuity (FIA)?

Like other annuities, FIAs is a contract between you and an insurance company. A fixed indexed annuity is a tax-deferred, long-term savings option that provides protection for your original deposit when the market goes down, combined with an opportunity for growth. The key feature separating FIAs from other annuities is that they provide you an added opportunity to earn indexed interest based on changes in an external index while offering principal protection opportunity.

For index-based annuity funds, you earn an interest rate linked to a stock market index. One of the most common indexes used in FIAs is the S&P 500, which tracks the average price of the 500 largest companies in the U.S.  When an FIA mirrors the S&P 500, you have the potential to earn interest credits relative to this index’s performance. On the other hand, If the index has a negative year, there is no index interest credit added, but your FIA  does not lose value.

How to fund your fixed index annuity?

Opening an indexed account is fairly simple. First, you can send a lump sum deposit to the insurance company, or make a series of deposits(contributions) until you reach the total amount you wish to invest. 

The years you deposit funds into your FIA are known as the accumulation phase, and you'll usually face penalties like surrender charges or a market value adjustment if you withdraw before this term ends. After the accumulation phase, your annuity transitions to regular withdrawals in the distribution phase. Your FIA's value depends on the pre-agreed terms and the index's performance over the years of accumulation.  Keep in mind: Insurance companies charge fees for issuing FIAs, including costs for administration, , and add-on protections like riders

Factors that affect your FIA payouts

The range between an FIA's downside coverage and upper limit shows your projected gains each year, but these numbers don't tell the whole story — the following factors can affect your payouts. 

Loss floors 

A loss floor guarantees you won't lose your principal even when the corresponding index plummets. No matter how low an underlying asset drops, the loss floor creates a threshold your annuity's value can't fall below, dramatically reducing your risk profile. For instance, FIAs typically have a 0% loss floor, the worst-case scenario is that your account's value stays flat. 

Minimum returns 

Minimum returns are like loss floors, but they promise a positive percentage rate regardless of the index's performance. For instance, if an FIA has a minimum yearly return of 2%, the base case is that your account value is credited 2% each year, even if the index falls short of 2%. These guaranteed interest rates ensure you always gain money. 

Return caps 

The tradeoff for guaranteeing against losses is that sometimes the insurance company limits the credit you can earn. Often, FIA contracts may come with stipulations called return caps or max caps, both of which limit your interest earnings — regardless of how high an index rises. For instance, a return cap of 6% on the S&P 500 means you only get to realize 6% gains, even if the S&P 500 shoots above 6%. 

Participation rates 

Besides limiting maximum gains, insurance companies may include participation rates to define how much of an underlying index’s gain can be credited to your account value. For instance, if you have a 70% participation rate and your FIA's index goes up by 5%, you're eligible for 70% of the 5% gain (or 3.5% interest is credited to your account value). 

Insurance providers consider several factors when determining your participation rate, like market conditions, index volatility, and contract duration. They also review participation rates periodically, adjusting as conditions change.

Adjusted value 

When it's time for an insurance company to calculate the gain in an annuitant's account, they combine the fees, participation rates, and max caps, deduct them from the index's performance, and arrive at their adjusted value. Annuity providers credit whatever gains determined by the adjusted value to the investor’s account value and wait for the next term to calculate the next rate. 

Margin fees

Rather than imposing a max cap, some FIAs take out a percentage of the gains each year with margin fees. These extra costs restrict the upper limits a contract holder can be credited without creating a static cutoff. For example, if your FIA has a 2% margin fee and the index gains 8%, you'll only receive 6% interest credit. Although this fee structure creates the opportunity for a higher upside, it can also dampen your earned interest.

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Pros and cons of fixed index annuities

The combination of limited risk and long-term growth makes FIAs attractive, but this strategy isn’t perfect.

Pros of fixed index annuities

  • Potential growth and inflation protection: Indexes like the Dow Jones and S&P 500 have solid track records for outpacing inflation rates and offering long-term growth. Although past performance doesn't promise future results, investors might supercharge their savings.
  • Downside protection: Don't fear losing your funds in a stock market meltdown. With principal protection, fixed index annuities clear the risk of negative years. 
  • Potential for guaranteed retirement income: Some FIAs go beyond principal protection and offer a positive APY on your holdings, so you're always in growth mode.

Cons of fixed index annuities 

  • Limited upside: With FIAs, you may miss out on higher gains due if the contract has stipulations like a max cap and margin fees.
  • Limited liquidity: While FIA accounts give the underlying index years to grow (a plus), you generally must leave your money untouched for the term of the contract.

Fixed index annuities versus fixed annuities: Which is best? 

Although popular indexes like the S&P 500 have a history of long-term growth, there's no way to guarantee you'll make more with a fixed index annuity versus a traditional fixed annuity. 

The only certainty when comparing these annuity types is the quoted interest rate in a fixed annuity. If you favor predictability, you’ll likely prefer a fixed annuity's rate. And if you’re more interested in growth — and less averse to uncertainty — look into fixed index annuities.

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How old are you?
Why we ask
Some products have age-based benefits or rules. Knowing your age helps us point you in the right direction.
Question 2/8
Which of these best describes you right now?
Why we ask
Life stages influence how you think about saving, growing, and using your money.
Question 3/8
What’s your main financial goal?
Why we ask
Different annuities are designed to support different goals. Knowing yours helps us narrow the options.
Question 4/8
What are you saving this money for?
Why we ask
Knowing your “why” helps us understand the role these funds play in your bigger financial picture.
Question 5/8
What matters most to you in an annuity?
Why we ask
This helps us understand the feature you value most.
Question 6/8
When would you want that income to begin?
Why we ask
Some annuities allow income to start right away, while others allow it later. This timing helps guide the right match.
Question 6/8
How long are you comfortable investing your money for?
Why we ask
Some annuities are built for shorter terms, while others reward you more over time.
Question 7/8
How much risk are you comfortable taking?
Why we ask
Some annuities offer stable, predictable growth while others allow for more market-linked potential. Your comfort level matters.
Question 8/8
How would you prefer to handle taxes on your earnings?
Why we ask
Some annuities defer taxes until you withdraw, while others require you to pay taxes annually on interest earned. This choice helps determine the right structure.

Based on your answers, a non–tax-deferred MYGA could be a strong fit

This type of annuity offers guaranteed growth and flexible access. Because it’s not tax-deferred, you can withdraw your money before age 59½ without IRS penalties. Plus, many allow you to take out up to 10% of your account value each year penalty-free — making it a versatile option for guaranteed growth at any age.

Fixed interest rate for a set term

Penalty-free 10% withdrawal per year

Avoid a surprise tax bill at the end of your term

Withdraw before 59½ with no IRS penalty

Earn

${CD_DIFFERENCE}

the national CD average

${CD_RATE}

APY

Our rates up to

${RATE_FB_UPTO}

Based on your answers, a non–tax-deferred MYGA could be a strong fit for your retirement

A non–tax-deferred MYGA offers guaranteed fixed growth with predictable returns — without stock market risk. Because interest is paid annually and taxed in the year it’s earned, it can be a useful way to grow retirement savings without facing a large lump-sum tax bill at the end of your term.

Fixed interest rate for a set term

Penalty-free 10% withdrawal per year

Avoid a surprise tax bill at the end of your term

Withdraw before 59½ with no IRS penalty

Earn

${CD_DIFFERENCE}

the national CD average

${CD_RATE}

APY

Our rates up to

${RATE_FB_UPTO}

Based on your answers, a tax-deferred MYGA could be a strong fit

A tax-deferred MYGA offers guaranteed fixed growth for a set term, with no risk to your principal. Because taxes on interest are deferred until you withdraw funds, more of your money stays invested and working for you — making it a strong option for growing retirement savings over time.

Fixed interest rate for a set term

Tax-deferred earnings help savings grow faster

Zero risk to your principal

Flexible term lengths to fit your timeline

Guaranteed rates up to

${RATE_SP_UPTO} APY

Based on your answers, a tax-deferred MYGA with a Guaranteed Lifetime Withdrawal Benefit could be a strong fit

This type of annuity combines the predictable growth of a tax-deferred MYGA with the security of guaranteed lifetime withdrawals. You’ll earn a fixed interest rate for a set term, and when you’re ready, you can turn your savings into a dependable income stream for life — no matter how long you live or how the markets perform.

Steady income stream for life

Tax-deferred fixed-rate growth

Up to ${RATE_PF_UPTO} APY, guaranteed

Keeps paying even if your account balance reaches $0

Protection from market ups and downs

Based on your answers, a fixed index annuity tied to the S&P 500® could be a strong fit

This type of annuity protects your principal while giving you the potential for growth based on the performance of the S&P 500® Total Return Index, up to a set cap. You’ll benefit from market-linked growth without risking your original investment, along with tax-deferred earnings for the length of the term.

100% principal protection

Growth linked to the S&P 500® Total Return Index (up to a cap)

Tax-deferred earnings over the term

Guaranteed minimum return regardless of market performance

Let's talk through your options

It seems you’re not sure where to begin — and that’s okay. Our team can help you understand how different annuities work, answer your questions, and give you the information you need to feel confident about your next step.

Our team is available Monday through Friday, 8:00 AM–5:00 PM ET.

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Let’s find something that works for you

Your answers don’t match any of our current quiz results, but you can still explore other types of annuities that are available. Take a look to see if one of these could fit your needs:

Non–Tax-Deferred MYGA

Guaranteed fixed growth with flexible access

May be ideal for:

those who want to purchase an annuity and withdraw their funds before 591/2.

Learn more
Tax-Deferred MYGA

Fixed-rate growth with tax-deferred earnings for long-term savers

May be ideal for:

those seeking fixed growth for retirement savings.

Learn more
Tax-Deferred MYGA with GLWB

Guaranteed growth plus a lifetime income stream

May be ideal for:

those seeking lifetime income.

Learn more
Fixed Index Annuity tied to the S&P 500®

Market-linked growth with principal protection

May be ideal for:

those looking to get index-linked growth for their retirement money, without risking their principal.

Learn more

Consider a flexible fit for your age and goals

You mentioned you’re looking for [retirement savings / income for life / stock market growth], but since you’re under 25, you might benefit more from a product that gives you more flexibility to access your money early.

A non–tax-deferred MYGA offers guaranteed fixed growth and allows you to withdraw funds before age 59½ without the 10% IRS penalty. You can also take out up to 10% of your account value each year without a withdrawal charge, giving you more flexibility while still earning a predictable return.

Highlights:

Fixed interest rate for a set term (3–10 years)

Withdraw before 59½ with no IRS penalty

10% penalty-free withdrawals each year

Interest paid annually and taxable in the year earned

Learn more about non–tax-deferred MYGAs
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Tiffanie Harding

Tiffanie Harding

Tiffanie is a manager of Annuity and Customer Experience at Gainbridge®.

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Key takeaways
A fixed index annuity (FIA) is a long-term, tax-deferred contract that protects your principal from market losses while offering growth potential through interest credited based on a stock market index like the S&P 500.
FIAs typically include features such as loss floors to prevent negative returns, participation rates that define how much of index gains you keep, and return caps or margin fees that limit your upside, all of which impact your final credited earnings.
While FIAs can provide downside protection and potential growth that outpaces inflation, they come with trade-offs such as limited gains, fees, and reduced liquidity due to surrender charges during the accumulation phase.
Compared to fixed annuities, which guarantee a predictable interest rate, FIAs may be better suited to investors who are comfortable with some uncertainty in exchange for the chance at higher returns tied to market performance.
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What is a Fixed Index Annuity (FIA)? Pros & cons

by
Tiffanie Harding
,
SIE and Series 6 License

Investing in stocks and mutual funds is often uncertain, but these strategies offer higher returns for those who are willing to face the volatility.  To enjoy direct exposure to high-growth opportunities without the risk of loss, you can get a fixed index annuity (FIA). Read on to discover what an indexed annuity is and if it suits your goals. 

What is a fixed index annuity (FIA)?

Like other annuities, FIAs is a contract between you and an insurance company. A fixed indexed annuity is a tax-deferred, long-term savings option that provides protection for your original deposit when the market goes down, combined with an opportunity for growth. The key feature separating FIAs from other annuities is that they provide you an added opportunity to earn indexed interest based on changes in an external index while offering principal protection opportunity.

For index-based annuity funds, you earn an interest rate linked to a stock market index. One of the most common indexes used in FIAs is the S&P 500, which tracks the average price of the 500 largest companies in the U.S.  When an FIA mirrors the S&P 500, you have the potential to earn interest credits relative to this index’s performance. On the other hand, If the index has a negative year, there is no index interest credit added, but your FIA  does not lose value.

How to fund your fixed index annuity?

Opening an indexed account is fairly simple. First, you can send a lump sum deposit to the insurance company, or make a series of deposits(contributions) until you reach the total amount you wish to invest. 

The years you deposit funds into your FIA are known as the accumulation phase, and you'll usually face penalties like surrender charges or a market value adjustment if you withdraw before this term ends. After the accumulation phase, your annuity transitions to regular withdrawals in the distribution phase. Your FIA's value depends on the pre-agreed terms and the index's performance over the years of accumulation.  Keep in mind: Insurance companies charge fees for issuing FIAs, including costs for administration, , and add-on protections like riders

Factors that affect your FIA payouts

The range between an FIA's downside coverage and upper limit shows your projected gains each year, but these numbers don't tell the whole story — the following factors can affect your payouts. 

Loss floors 

A loss floor guarantees you won't lose your principal even when the corresponding index plummets. No matter how low an underlying asset drops, the loss floor creates a threshold your annuity's value can't fall below, dramatically reducing your risk profile. For instance, FIAs typically have a 0% loss floor, the worst-case scenario is that your account's value stays flat. 

Minimum returns 

Minimum returns are like loss floors, but they promise a positive percentage rate regardless of the index's performance. For instance, if an FIA has a minimum yearly return of 2%, the base case is that your account value is credited 2% each year, even if the index falls short of 2%. These guaranteed interest rates ensure you always gain money. 

Return caps 

The tradeoff for guaranteeing against losses is that sometimes the insurance company limits the credit you can earn. Often, FIA contracts may come with stipulations called return caps or max caps, both of which limit your interest earnings — regardless of how high an index rises. For instance, a return cap of 6% on the S&P 500 means you only get to realize 6% gains, even if the S&P 500 shoots above 6%. 

Participation rates 

Besides limiting maximum gains, insurance companies may include participation rates to define how much of an underlying index’s gain can be credited to your account value. For instance, if you have a 70% participation rate and your FIA's index goes up by 5%, you're eligible for 70% of the 5% gain (or 3.5% interest is credited to your account value). 

Insurance providers consider several factors when determining your participation rate, like market conditions, index volatility, and contract duration. They also review participation rates periodically, adjusting as conditions change.

Adjusted value 

When it's time for an insurance company to calculate the gain in an annuitant's account, they combine the fees, participation rates, and max caps, deduct them from the index's performance, and arrive at their adjusted value. Annuity providers credit whatever gains determined by the adjusted value to the investor’s account value and wait for the next term to calculate the next rate. 

Margin fees

Rather than imposing a max cap, some FIAs take out a percentage of the gains each year with margin fees. These extra costs restrict the upper limits a contract holder can be credited without creating a static cutoff. For example, if your FIA has a 2% margin fee and the index gains 8%, you'll only receive 6% interest credit. Although this fee structure creates the opportunity for a higher upside, it can also dampen your earned interest.

{{inline-cta}}

Pros and cons of fixed index annuities

The combination of limited risk and long-term growth makes FIAs attractive, but this strategy isn’t perfect.

Pros of fixed index annuities

  • Potential growth and inflation protection: Indexes like the Dow Jones and S&P 500 have solid track records for outpacing inflation rates and offering long-term growth. Although past performance doesn't promise future results, investors might supercharge their savings.
  • Downside protection: Don't fear losing your funds in a stock market meltdown. With principal protection, fixed index annuities clear the risk of negative years. 
  • Potential for guaranteed retirement income: Some FIAs go beyond principal protection and offer a positive APY on your holdings, so you're always in growth mode.

Cons of fixed index annuities 

  • Limited upside: With FIAs, you may miss out on higher gains due if the contract has stipulations like a max cap and margin fees.
  • Limited liquidity: While FIA accounts give the underlying index years to grow (a plus), you generally must leave your money untouched for the term of the contract.

Fixed index annuities versus fixed annuities: Which is best? 

Although popular indexes like the S&P 500 have a history of long-term growth, there's no way to guarantee you'll make more with a fixed index annuity versus a traditional fixed annuity. 

The only certainty when comparing these annuity types is the quoted interest rate in a fixed annuity. If you favor predictability, you’ll likely prefer a fixed annuity's rate. And if you’re more interested in growth — and less averse to uncertainty — look into fixed index annuities.

Maximize your financial potential with Gainbridge

Start saving with Gainbridge’s innovative, fee-free platform. Skip the middleman and access annuities directly from the insurance carrier. With our competitive APY rates and tax-deferred accounts, you’ll grow your money faster than ever. Learn how annuities can contribute to your savings.

Tiffanie Harding

Linkin "in" logo

Tiffanie is a manager of Annuity and Customer Experience at Gainbridge®.