Begin with the accumulation method
Annuity timing and annuity risk are separate choices. An immediate or deferred payment schedule does not tell you how money grows before income begins. The NAIC overview describes these dimensions, while Investor.gov separates four main deferred structures.
| Type | How value changes | Risk to understand |
|---|---|---|
| Fixed | Insurer-set interest under contractual guarantees | Renewal-rate, inflation, access and insurer risk |
| Fixed indexed | Interest follows an index-based formula | Limited gains, crediting conditions and exit costs |
| Variable | Selected investment options change in value | Market loss plus contract and investment fees |
| Registered index-linked | Index-linked gains and losses under specified parameters | Losses beyond a buffer or up to a floor, and early-exit adjustments |
The table is not a ranking from best to worst. Each structure solves a different problem and can be unsuitable for money needed soon.
Fixed annuities: inspect the guarantee period
A fixed contract may guarantee a rate for a stated period and specify a minimum or renewal process afterward. Ask which rate is guaranteed, for how long and what happens when that period ends.
Do not confuse a promotional first-year rate with the return for the entire surrender period. If the commitment lasts longer than the attractive rate, review the minimum and possible renewal terms. Also ask whether withdrawals trigger a market-value adjustment or loss of credited interest.
Fixed does not mean liquid or federally deposit-insured. The promise comes from the insurance company. Compare the role with a CD only after recognizing the different protection and access rules.
Fixed indexed annuities: the index is an input
You generally do not directly own the index through a fixed indexed annuity. The contract uses a formula that may include a participation rate, cap, spread and measurement period. Dividends may be treated differently from a total-return index investment.
For a hypothetical simplified annual formula, an index rises 10%, the participation rate is 80% and the cap is 6%. Eighty percent of the gain is 8%, but the cap limits the credited result to 6%. This is invented arithmetic, not a current product offer; actual formulas can work differently.
Ask whether the insurer can change caps or participation rates for later periods and what minimums apply. A favorable illustration does not guarantee future crediting terms or index performance.
A floor has a specific scope
A fixed indexed crediting formula may prevent a negative index credit for the measured term. That does not necessarily protect the cash you receive after surrender charges, rider costs or other contractual adjustments.
Ask the seller to show the lowest possible cash surrender value under the contract, not just the lowest index credit. Also ask what happens if you withdraw before the measurement period ends.
The distinction matters because “you cannot lose” can be broader than the actual guarantee. Require the explanation to identify what value is protected, over which period and under which conditions.
Variable annuities: market exposure plus insurance features
Variable annuities allow allocation among investment options and can lose value with their performance. They also carry contract costs and may offer optional guarantees for additional fees.
Read the prospectus and underlying investment information. Compare base charges, investment expenses, rider charges and restrictions. An optional income guarantee does not necessarily prevent the account value from falling or create a cash balance equal to its benefit base.
Investor.gov's variable-annuity guidance explains the layered costs. Ask whether the desired insurance feature justifies those costs compared with other ways to pursue the same investment and income goals.
RILAs: limited protection can still leave substantial loss
A registered index-linked annuity can expose you to negative index performance. A buffer may absorb a specified initial portion of loss, while a floor may limit loss differently. The terms are not interchangeable.
For a hypothetical end-of-term buffer design that absorbs the first 10 percentage points of a 25% index decline, the remaining decline would be 15 percentage points before other contractual effects. This is not a description of every RILA. Different designs, interim withdrawals and fees can produce different results.
Read the prospectus and ask for examples covering a large gain, small loss, large loss and withdrawal before the term ends. Do not judge the risk solely from an optimistic chart.
Compare access and income on a second pass
After understanding accumulation, compare surrender periods, free-withdrawal provisions, market-value adjustments and beneficiary terms. A provision allowing a limited withdrawal without surrender charge may still have tax or benefit consequences.
Then compare income options. Annuitization, lifetime-withdrawal riders and scheduled withdrawals are different mechanisms. The highest illustrated benefit base may not produce the best usable income for your circumstances.
Our fee guide helps identify the costs that can be missed when comparing only a headline rate.
Use a contract-specific stress test
Ask what happens if you need 25% of the money in year two, if interest rates rise, if markets fall sharply and if one spouse dies earlier than expected. These are planning scenarios, not predictions.
For each scenario, request the effect on cash value, charges, future income and beneficiary payment. If an illustration cannot answer the question, ask for the relevant contract provision and a written explanation.
Check the issuing company's financial information and the seller's licensing or registration as appropriate. Do not assume a familiar distribution brand is the company responsible for guarantees.
Frequently asked questions
Is an indexed annuity the same as an index fund?
No. An annuity uses contractual crediting or investment rules and insurance features. An index fund is a different investment structure. Costs, liquidity and returns can differ substantially.
Are all indexed annuities protected from market losses?
No. Fixed indexed annuities and RILAs are different. A RILA can lose value, and even fixed indexed contracts can have charges or adjustments affecting cash received.
Does a higher participation rate guarantee a better return?
No. Caps, spreads, index method, term and other conditions interact. Compare the whole formula and whether future terms can change.
Which type is safest?
Define the risk first: market loss, inflation, insurer failure, lack of access or insufficient income. No label eliminates every risk. Match the actual contract to the goal and cash needs with qualified guidance.
Sources and methodology
This article uses public policy guidance and official product information, checked October 30, 2026. Insurance coverage and availability depend on the issued contract, state and personal eligibility. We did not apply for coverage, test a carrier or evaluate an actual claim for this article.