Market-linked growth with principal protection - how crediting methods work, current rates, and how to find the best FIA for your retirement from 30+ carriers.
Last reviewed February 2026 by Dev Gaymes, Licensed Insurance Advisor · Editorial policy
A fixed index annuity (FIA) is an insurance contract that credits interest based on the performance of a market index - like the S&P 500 - while protecting your principal from market losses. When the index goes up, you earn a portion of the gain. When the index goes down, you earn 0% - not a loss. Your principal and all previously credited gains are locked in permanently. Earnings grow tax-deferred until withdrawal. In 2026, FIAs offer cap rates up to 10.75% and participation rates exceeding 140%, making them one of the most compelling options for retirement savers who want growth potential without market risk.
The defining feature of every FIA is the 0% floor. In any crediting period where the linked index has a negative return - even a catastrophic crash - your account value stays exactly the same. You earn zero, but you lose zero. Then each year's gains are "locked in" and can never be taken away by future market declines. This is the fundamental trade-off: you give up some upside (through caps and participation rates) in exchange for guaranteed downside protection.
Hypothetical example. Cap limits gains in strong markets; floor protects principal in down markets. Actual rates vary by carrier and crediting method.
Every FIA uses one or more methods to determine how much index gain is credited to your account. Understanding these is the key to comparing products:
The maximum interest your annuity can earn in a crediting period. If the index exceeds the cap, your credit is limited to the cap. If the index is below the cap, you earn the full index return.
2026 range: 5%–10.75%
The percentage of the index gain credited to your annuity. Often paired with uncapped strategies or volatility-controlled indexes.
2026 range: 40%–140%+
A fixed percentage subtracted from the index gain before crediting. If the remainder is positive, you earn interest. If negative, you earn 0%.
2026 range: 1%–4%
Carriers can adjust caps, participation rates, and spreads at each renewal period based on economic conditions. However, they cannot retroactively change gains already credited. When comparing FIAs, look at the carrier's history of maintaining competitive rates over time - not just the initial teaser rate.
| Feature | Fixed Index Annuity | MYGA | Bank CD |
|---|---|---|---|
| Return Type | Index-linked (variable upside) | Fixed guaranteed rate | Fixed guaranteed rate |
| 2026 Rates | 3%–7% avg (historical) | 4%–5.5% guaranteed | 3.5%–4.5% APY |
| Downside Protection | ✓ 0% floor | ✓ Guaranteed rate | ✓ FDIC insured |
| Upside Potential | ✓ Up to 10.75% cap | Limited to declared rate | Limited to declared rate |
| Tax Treatment | Tax-deferred | Tax-deferred | Taxed annually |
| Liquidity | 10% free/yr; surrender charges | 10% free/yr; surrender charges | Fully liquid at maturity |
| Income Option | ✓ Lifetime income riders | Annuitization only | No income guarantee |
| Insurance Protection | State guaranty fund (varies) | State guaranty fund (varies) | FDIC up to $250K |
| Best For | Growth + protection seekers | Rate certainty seekers | Short-term, full liquidity |
Many FIAs offer guaranteed lifetime income riders for an additional annual fee (typically 0.75%–1.25% of the income base). These riders guarantee a monthly or annual income stream you cannot outlive, regardless of account value. The income base often grows at a guaranteed rate (5%–7%) during deferral, separate from the index crediting on your accumulation value. Income riders are ideal if your primary goal is retirement income rather than accumulation.
Accumulation value vs. income base: Your accumulation value is what you'd receive if you surrendered the annuity - it grows based on index crediting. Your income base (if you add an income rider) is a separate calculation used only to determine your guaranteed income payments. They are not the same number. An independent broker can show you illustrations for both.
Illustrative examples. The scenarios below are for illustration only and do not represent any specific client. Figures are hypothetical and are not a quote, an offer of coverage, or a prediction of results. Actual outcomes depend on age, health, carrier underwriting, and the terms of the issued policy.
The Nguyens wanted to keep their retirement savings growing but were nervous about another market downturn within 10 years of retirement. Their financial advisor had them in a balanced fund charging 1.2% in fees.
We placed $200K into a 7-year FIA with a 9.5% S&P 500 cap rate and a 0% floor via a 1035 exchange, which is generally tax-free, from their old annuity. No annual management fees on the base contract. In a year the S&P gains 12%, they earn 9.5%. In a year it drops 20%, they earn 0% and lose nothing. After 7 years, their gains are locked in and they can renew, annuitize, or roll to another product.
Gloria wanted to guarantee she'd never run out of money in retirement. She'd seen her parents struggle with depleted savings in their 80s and wanted a pension-like income stream starting at 67.
We placed her in a $150K FIA with a lifetime income rider that grows her income base at 7% simple interest during the 5-year deferral period. At 67, her guaranteed income base will be approximately $202,500, providing ~$12,150/year ($1,013/month) for life regardless of market performance. Her accumulation value continues to grow based on index crediting and passes to her beneficiary generally income-tax-free at death.
Richard had $100K in bank CDs earning 4% and was paying taxes on the interest annually, netting about 2.7% after taxes in his bracket. He wanted to do better without risking principal.
We moved $100K into a 5-year FIA with a 8.5% cap on the S&P 500. His gains now grow tax-deferred (no annual tax drag), and in years where the S&P performs well, he can earn up to 8.5% instead of the flat 4%. In flat or down years, he earns 0% but never loses. He retains 10% annual free withdrawal access.
Good fit: Pre-retirees and retirees (ages 50–75) who want growth above CDs/MYGAs, principal protection, tax-deferred compounding, and optional lifetime income. Also suitable for conservative investors who've been burned by market losses and want to participate in gains without the risk.
Not a fit: Anyone needing full liquidity within 5 years, aggressive investors wanting maximum market exposure, or people uncomfortable with multi-year surrender schedules. If you need your money accessible at all times, a MYGA or high-yield savings account is a better fit.
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A fixed index annuity (FIA) is an insurance contract that credits interest based on the performance of a market index like the S&P 500, while protecting your principal from market losses. When the index goes up, you earn a portion of the gain (subject to a cap, participation rate, or spread). When the index goes down, you earn 0% - not a loss. Your principal and all previously credited gains are locked in and cannot be taken away. Earnings grow tax-deferred.
Returns depend on the crediting method and market performance. In 2026, typical cap rates range from 5% to 10.75%, participation rates from 40% to 140%+, and spreads from 1% to 4%. Over multi-year horizons, FIAs have historically averaged 3% to 7% annually after caps and spreads, compared to 4% to 5.5% for MYGAs. The key advantage is that you never lose principal in a down market.
A cap rate is the maximum interest a fixed index annuity can earn in a given crediting period. For example, if your cap is 8% and the S&P 500 gains 15%, you earn 8%. If the index gains only 5%, you earn 5%. If the index drops, you earn 0%. As of February 2026, top cap rates range from 8% to 10.75% depending on carrier and term length.
A participation rate determines what percentage of the index gain is credited to your annuity. If the participation rate is 60% and the index gains 10%, you earn 6%. Participation rates currently range from 40% to over 140% depending on the index and carrier. Higher participation rates are often paired with volatility-controlled indexes.
You cannot lose money due to market declines - FIAs have a 0% floor, meaning the worst crediting you receive in a down market is 0%. However, you can lose value through early surrender charges (typically in the first 5-10 years), excess withdrawals beyond the 10% free annual allowance, or optional rider fees that reduce cash value. Principal protection only applies if you hold the contract through the surrender period.
A MYGA (multi-year guaranteed annuity) pays a fixed interest rate for a set period - like a CD inside an annuity. An FIA's interest is tied to an index and varies year to year, with potential for higher returns in strong markets. MYGAs offer certainty; FIAs offer upside potential with downside protection. Both grow tax-deferred. In 2026, MYGAs pay 4%-5.5% guaranteed, while FIAs have earned 3%-7% historically depending on market conditions.
Surrender charges are fees for withdrawing more than the free annual allowance (typically 10%) during the surrender period (usually 5-10 years). Charges start high (8%-10%) and decrease annually until reaching 0%. Most FIAs allow 10% penalty-free withdrawals each year after year one. Before age 59½, IRS penalties may also apply.
FIAs are ideal for pre-retirees and retirees (typically ages 50-75) who want growth potential above CDs and MYGAs, principal protection from market losses, tax-deferred compounding, and optional guaranteed lifetime income riders. FIAs are not ideal for those needing full liquidity, wanting maximum market returns, or with a short time horizon under 5 years.
What an annuity is. Annuities are long-term insurance products designed for retirement income, not short-term savings vehicles and not investments in the stock market. A fixed index annuity is a fixed insurance product issued by an insurance company. It is not a security, and it is not FDIC insured, not bank guaranteed, and not a deposit of, or guaranteed by, any bank or credit union.
Guarantees. All guarantees, including any floor, minimum value, or income benefit, are backed solely by the financial strength and claims-paying ability of the issuing insurance company. They are not guaranteed by DG Life Group, by any broker, or by any government agency.
You do not own the index. With a fixed index annuity you are not buying shares of any index, stock, or fund. Interest is credited according to a formula tied to an index's performance. Index crediting typically excludes dividends, so returns will not match the total return of the index itself. Caps, participation rates, and spreads limit the interest credited, and the carrier can generally change them on future crediting periods, subject to contractual minimums.
Access to your money. Surrender charges apply during a surrender period that commonly runs several years, and a market value adjustment may also apply. Withdrawals reduce the contract value, any death benefit, and any income benefit. Withdrawals of taxable amounts are subject to ordinary income tax, and withdrawals taken before age 59½ may incur an additional 10% federal tax penalty. Optional riders, including income riders, usually carry an explicit charge that reduces contract value.
Illustrations and figures. Any values, rates, or examples shown are hypothetical and for illustration only. They do not represent any specific contract, are not a projection or guarantee of future results, and exclude taxes and fees unless expressly stated. Product features, rates, riders, and availability vary by carrier and by state and change over time. Nothing here describes any particular insurer's current products.
Our obligations to you. Under the NAIC Suitability in Annuity Transactions Model Regulation (Model #275), adopted in nearly every U.S. jurisdiction, a producer recommending an annuity must act in the consumer's best interest and satisfy obligations of care, disclosure, conflict of interest, and documentation. That means a recommendation is based on your financial situation, needs, and objectives; that our role and compensation are disclosed; and that the basis for the recommendation is documented. DG Life Group is compensated by the issuing insurance company through commission when a contract is placed. We will tell you that before you apply, not after.
This page is education, not advice. It is general information only, is not a recommendation to purchase any product, and is not investment, tax, or legal advice. No recommendation can be made without a review of your individual circumstances. Consult a qualified tax advisor about tax consequences and an attorney about legal questions. The contract, its prospectus or disclosure statement where applicable, and the issuing carrier's own materials govern in all cases - read them before you buy.
DG Life Group · Dev Gaymes, Licensed Insurance Advisor · NIPR# 16654074 · 6060 N Central Expy Ste 500, Dallas, TX 75206 · (214) 989-7704. Licensed in 19 states. Insurance products are issued by the carrier, not by DG Life Group. DG Life Group is an independent insurance brokerage and is not a registered investment adviser or broker-dealer, and does not offer securities or investment advisory services.