What Is a MYGA?
A multi-year guaranteed annuity — commonly called a MYGA — is an annuity contract issued by an insurance company that pays a fixed, guaranteed interest rate for a set term. You deposit a lump sum, the insurer guarantees a specific rate for the full term (commonly three to ten years), and at the end of that term you can withdraw the money, renew, or move it elsewhere.
The simplest way to think about a MYGA is as a CD issued by an insurance company instead of a bank. The rate is fixed. The term is fixed. You know exactly what you will earn before you commit. The key differences from a bank CD are the backing institution (insurance company vs. FDIC-insured bank), the tax treatment, and the contract terms.
What Is a Fixed Indexed Annuity?
A fixed indexed annuity (FIA) is also an insurance contract, but the interest it earns is not fixed. Instead, it is linked to the performance of an external market index — typically the S&P 500 — subject to a floor (usually zero) and a cap or participation rate that limits upside.
In a year when the index rises, you may earn a meaningful credit — but no more than the cap allows. In a year when the index falls, you earn zero. This "floor and ceiling" structure means the return is variable from year to year, unlike a MYGA's guaranteed rate. The tradeoff for accepting that variability is the potential to earn more in strong market years than a MYGA's fixed rate would provide.
Side-by-Side Comparison
| Feature | MYGA | Fixed Indexed Annuity |
|---|---|---|
| Interest Type | Fixed, guaranteed rate for the full term | Variable — index-linked, subject to floor and cap |
| Return Predictability | Fully predictable — you know the rate upfront | Not predictable — depends on index performance each year |
| Downside Protection | Yes — guaranteed positive return each year | Yes — floor prevents losses but zero credit is possible |
| Upside Potential | None beyond the fixed rate | Yes — index gains up to cap or participation rate |
| Complexity | Simple — rate, term, and conditions are clear | More complex — crediting methods, caps, riders, fees |
| Typical Term | 3 to 10 years | 7 to 10 years (surrender period) |
| Surrender Charges | Yes, during the term | Yes, during the surrender period |
| Tax Treatment | Tax-deferred for non-qualified accounts | Tax-deferred for non-qualified accounts |
| Income Rider Option | Generally not available | Commonly available (for an additional fee) |
| Safety Backing | Insurer reserves + state guaranty association | Insurer reserves + state guaranty association |
The Core Difference: Certainty vs. Upside Potential
A MYGA gives you certainty. You sign a contract knowing you will earn, say, 4.8% per year for five years regardless of what markets do. There is no scenario in which you earn less than the stated rate (assuming the insurer remains solvent), and no scenario in which you earn more.
An FIA gives you variability with a floor. You might earn 8% in a strong market year, 3% in a modest one, and 0% in a down year. Over a ten-year surrender period, the accumulated total could be higher or lower than a MYGA's guaranteed compounding — depending entirely on how the linked index performs and what the cap rates are.
If the market performs strongly, an FIA has the potential to outperform a MYGA over the same period. If markets are flat or volatile, a MYGA's guaranteed rate may ultimately deliver more. Neither outcome is predictable in advance.
Tax Treatment: A Shared Advantage
Both MYGAs and FIAs share an important feature that distinguishes them from CDs: tax deferral for non-qualified accounts. Interest credited inside either product is not taxed until you withdraw it. This allows credited interest to compound without annual tax drag — which can be meaningful over a multi-year term.
If you are funding either product through an IRA rollover, this distinction disappears, since the IRA already provides tax deferral. In that context, other factors — the rate, the term, the crediting method — drive the decision rather than tax treatment.
When a MYGA May Make More Sense
A MYGA is worth considering when predictability is the priority — when you want to know, before signing, exactly what you will earn. It is simpler to evaluate, simpler to explain, and simpler to plan around. It is also typically a shorter commitment than an FIA's surrender period, which can make it more suitable if your timeline is three to five years rather than seven to ten.
If you are planning to use the funds for a specific purpose at a known future date — funding a large expense, supplementing income starting at a specific age — a MYGA's fixed rate and term structure aligns well with that kind of goal.
When a Fixed Indexed Annuity May Make More Sense
An FIA makes more sense when you want protection from market losses but also want the possibility — not the guarantee — of earning more than a fixed rate over the contract period. It suits someone with a longer time horizon who is comfortable with year-to-year variability in credited interest, provided the floor prevents any actual loss.
FIAs are also the product to consider when lifetime income through a rider is a goal. MYGAs generally do not offer income riders; FIAs commonly do. If converting a lump sum into a guaranteed lifetime income stream is part of your plan, an FIA with an income rider may be worth exploring — understanding that the rider comes at an annual fee cost.
Consider a MYGA If:
- You want a known, guaranteed rate for the full term
- Simplicity and predictability matter most to you
- Your time horizon is 3 to 5 years
- You do not need a lifetime income rider
- You value easy-to-understand contract terms
Consider a Fixed Indexed Annuity If:
- You want principal protection with some upside potential
- You are comfortable with variable year-to-year crediting
- Your time horizon is 7 to 10 years
- You are interested in a guaranteed lifetime income rider
- You have already secured other liquid savings
For a broader look at how FIAs compare to CDs — a different kind of conservative vehicle — see our page on CDs vs. fixed indexed annuities. For a full breakdown of the FIA's pros and cons, fixed indexed annuity pros and cons covers the details. And if you are building a broader conservative income plan, conservative retirement income strategies provides the wider context.