Fixed Indexed Annuity Calculator

See how your premium could grow with personalized fixed indexed annuity projections.

  • View Your Personalized Growth Potential in Seconds

  • Tailored Results Based on Your Premium and Strategy

  • Optional Expert Review to Help You Understand Your Best Options

  • No Contact Information Required to Calculate Your Results

Calculate Your FIA Growth

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The amount you pay into the annuity. The S&P 500 comparison always starts at this premium. Your indexed account may start higher if you enter a premium bonus.
Optional one-time bonus applied to your indexed account before year 1 crediting. Example: 16% on $100,000 starts the indexed balance at $116,000. Does not change the S&P 500 comparison.
Optional annual fee on the indexed account only, deducted before crediting each year. Year 1 has no fee; the fee applies starting in year 2. The S&P 500 comparison is not charged this fee.
How many years to run the simulation. Annual crediting is applied for each year in this period.
The first year of historical S&P 500 data used in the simulation. Index returns from this year forward are applied for your selected duration.
The maximum annual crediting rate on the cap strategy when the index is positive. You will not earn more than this rate in an up year on that portion of the account.
The share of your premium allocated to the cap rate strategy. The rest is allocated to the participation strategy (both should total 100%).
The percentage of the index gain credited in positive years on the participation strategy. For example, 50% participation in a 10% index year credits 5% on that slice.
The share of your premium allocated to the participation strategy. Together with cap allocation, these two values should equal 100%.

Most Fixed Index Annuity (FIA) calculators are built by insurance companies. They show you a marketing projection. They pick a favorable index period, assume your cap rate never changes, and hand you a number that looks great on paper. That number has almost nothing to do with what your account will actually do over 10 or 15 years.

This fixed indexed annuity calculator works differently. Instead of projecting forward, it runs backward through real historical index data. You choose a starting year, a duration, a premium amount, and your crediting parameters. The calculator shows you what a contract with those terms would have actually credited across that time period. No assumptions. No cherry-picked years. Just the math.

How the Fixed Indexed Annuity Calculator works

Premium amount is your starting deposit. Most FIAs have minimums in the range of $10,000 to $25,000, but the calculator works with any number. The dollar amount affects your income projections but not the percentage-based crediting results.

Cap rate is the ceiling on what the contract credits you in any given year. If the S&P 500 goes up 20% and your cap is 6%, you get credited 6%. In a down year, you get zero, not a loss. That zero-floor protection is the core trade-off in a fixed indexed annuity. You give up the big up years to avoid the big down years.

Participation rate works differently. Instead of capping the return, it gives you a percentage of whatever the index earns. A 50% participation rate on a 14% index year credits you 7%. Some contracts let you split your allocation between a cap strategy and a participation strategy. That is what the allocation split field is for. You can model different combinations and see how they would have played out historically.

Duration sets how many years the simulation runs. Most fixed indexed annuities carry surrender periods of 7 to 10 years, so running a 10-year simulation is a reasonable baseline. You can also run shorter or longer periods to see how sequence matters.

Starting year selection is where it gets interesting. A simulation starting in 2000 runs right into the dot-com collapse and then the 2008 crash. A simulation starting in 2010 catches most of the post-crisis bull market. Try both. The difference will tell you more than any sales presentation ever could.

Why Historical FIA Analysis Matters

The reason I built this tool is that most people shopping for a FIA have no way to stress-test what they are being sold. A good index annuity quote should come with historical context, not just a rosy forward projection. If an agent cannot show you what the contract would have done starting in 2000 or 2007, that is worth asking about.

I have worked with a lot of people who came to me after seeing an illustration that promised 7% or 8% average annual growth from an indexed annuity. When we ran the actual historical numbers together, the realistic picture was closer to 4% to 5% in moderate scenarios. That is still a solid result for money that never went backward. But it is a different conversation than what they had been told.

This calculator is one piece of a larger set of tools available on the calculators page. If you are also thinking about income, the GLWB Annuity Calculator lets you model guaranteed lifetime income from specific contracts.

For a broader look at how indexed annuities work before you start running numbers, the fixed indexed annuity guide covers crediting methods, surrender periods, riders, and the situations where these contracts make sense and where they do not.

If you run the numbers and want to talk through what you are seeing, I am happy to get on a call. No pitch. Just the analysis. You can schedule time on my calendar whenever it works for you.

– Bryan

Frequently Asked Questions

How does a fixed indexed annuity calculator work?
You enter your premium, cap rate, participation rate, allocation split, duration, and a start year. The calculator applies those crediting parameters to actual historical index returns year by year. What comes out is a picture of how a contract with those terms would have performed in that specific time period. It is not a projection. It is a simulation using real data.

What is a cap rate in a fixed indexed annuity?
The cap rate sets a ceiling on how much interest your annuity can earn in a given year, even if the index earns more. If the S&P 500 gains 18% and your cap is 6%, you get credited 6%. In exchange for that ceiling, the contract also puts a floor at 0%, so a negative index year does not reduce your balance.

What is a participation rate and how is it different from a cap?
A participation rate gives you a set percentage of whatever the index earns, with no ceiling. A 75% participation rate on a 10% index year credits you 7.5%. A cap strategy limits your upside to a fixed number. Some contracts offer both options and let you split your allocation between them.

Can you lose money in a fixed indexed annuity?
You cannot lose principal due to index performance. The floor is 0%, meaning a down year in the market results in no credit but no loss to your account value. The risks to watch are surrender charges if you need money early, and the impact of rider fees on your overall account growth.

How accurate is an FIA calculator compared to actual contract performance?
A historical simulation is more honest than a forward projection, but it is still an illustration. Cap rates on most contracts can change annually at the carrier’s discretion. A simulation assumes a fixed cap throughout, which may not match reality. Use the calculator to understand the structure and stress-test different scenarios, then get actual quotes to compare current terms.

What is a good cap rate for a fixed indexed annuity?
That depends on the current interest rate environment and the carrier. Caps have ranged widely over the years. A higher cap sounds better, but you also need to look at the carrier’s history of maintaining caps over time. An agent who only shows you the starting cap without discussing renewal history is leaving out important context.