Fixed Deposit vs Money Market Fund for Business Cash

At a glance

Figures are indicative and dated 12 November 2026. Confirm current rates and yields before acting.

How a fixed deposit works

A fixed deposit is a sum placed with a licensed bank for an agreed period, usually from 30 days to one year, at an interest rate fixed when you open it. The rate does not change for the tenor, so the return is predictable from day one.

In exchange for that certainty, the money is locked. Withdrawing early normally forfeits some or all of the interest, and sometimes a penalty. For larger balances, often above ₦500,000, many banks will negotiate the rate.

How a money market fund works

A money market fund is a SEC-regulated collective investment scheme. It pools money from many investors and invests in short-term, high-quality instruments such as treasury bills, commercial paper and bank certificates of deposit. If you are new to the vehicle, our explainer on what a money market fund is covers the basics.

The fund aims for stability, steady income and quick access rather than capital growth. The instruments behind that yield are set out in our guide to how the money market works in Nigeria. Its yield is not fixed; it moves as the fund’s holdings mature and are replaced at current rates. A money market fund is not a bank deposit, and it is not covered by NDIC deposit insurance.

AIICO Money Market Fund is one eligible, corporate-ready option on nairaCompare for businesses leaning towards the fund route.

AIICO Money Market FundAIICO Capital · Low-risk money market fund for business cash

Invest now

Historical YTD figure22.07% (historical YTD, as at 12 Nov 2026)

Minimum investment₦100,000

Risk profileLow

Management fee1.5% per year

Historical figures are not guaranteed future returns. Check the evidence date.

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Returns: what your business cash can earn

Through 2026, leading money market funds have reported annualised yields in the region of 15% to 22%, with the strongest funds around 20% to 22%. Our ranking of the best performing money market funds in Nigeria tracks where those yields sit now. Fixed deposit rates vary more by institution: commercial banks have typically offered high single digits to the mid-teens, while merchant banks and some specialised providers have reached the high teens or low twenties for sizeable, longer commitments.

The key difference is not the headline number. It is how each return behaves. A fixed deposit locks your rate for the tenor, so a rate agreed today holds even if market rates fall next month. A money market fund yield resets continuously as the portfolio rolls over, so when the CBN cuts rates, fund yields drift down over the following weeks, as our explainer on what happens when the CBN cuts rates describes.

For a business, this comes down to a view on direction. If you expect rates to fall and want to lock in today’s level, a fixed deposit captures it. If you expect rates to stay high, a money market fund keeps you current. No fund yield is guaranteed, past yields do not predict future ones, and a fixed deposit promises its rate only for its agreed tenor.

Liquidity and access to working capital

Liquidity is often the deciding factor for business cash. Working capital has to be reachable when a supplier invoice, payroll run or tax payment lands.

A fixed deposit trades access for certainty. Your funds are committed until maturity, and breaking the deposit early usually costs you interest. A money market fund is built for access: redemptions are typically processed within a few business days, and many funds allow partial withdrawals without penalty. That makes it a natural home for cash a business may need quickly, while still earning a competitive yield on it.

Safety, regulation and protection

A fixed deposit sits with a licensed bank and may be covered by NDIC deposit insurance up to the applicable limit per depositor, per bank. That cover is a meaningful safeguard for balances within the limit, though large corporate deposits can exceed it.

A money market fund is supervised by the Securities and Exchange Commission. The manager must be SEC-licensed, file regular net asset value reports and keep investor assets segregated. That oversight is real, but it is not deposit insurance. A money market fund is not a bank deposit and is not NDIC-insured, and although well-run naira funds have shown low volatility, capital is not guaranteed.

Fees, minimums and tax

A money market fund charges a management fee, commonly around 1.5% a year, which is deducted before the yield you see. A fixed deposit has no explicit management fee; the bank earns its margin on the spread, and the rate quoted is what you receive before tax.

Money market funds can start low, from as little as ₦1,000 to ₦100,000 depending on the fund, while fixed deposits are often most competitive on larger, negotiated balances. Interest and fund distributions can both attract withholding tax, and the treatment can change, so confirm the current position with your bank, fund manager or tax adviser before relying on a net figure.

A decision framework for business cash

There is no single right answer. Match the option to the job the cash is doing.

Choose a fixed deposit when:

• the cash is earmarked for a known date, such as a tax bill or a scheduled purchase;
• you want the rate locked in and value predictability over flexibility;
• the balance sits within deposit protection and you are comfortable with the bank; and
• you expect rates to fall and want to secure today’s level.

Choose a money market fund when:

• the cash is an operating buffer you may need at short notice;
• you want a market-linked yield that can exceed bank deposit rates;
• you can accept a variable, non-guaranteed return with no NDIC cover; and
• you value quick, penalty-free access over a locked rate.

Consider using both when: you can split surplus cash by purpose. Keep an operating buffer in a money market fund for liquidity, and place funds with a fixed obligation date in fixed deposits timed to mature when you need them. Our guide to how to invest in money market funds in Nigeria walks through opening and funding a corporate account.

There is no universal winner

A fixed deposit is not safer or better than a money market fund, or the other way round. A fixed deposit gives certainty and insurance within limits, at the cost of access. A money market fund gives access and a market-linked yield, at the cost of a guaranteed rate and deposit cover. The right mix depends on your horizon, your liquidity needs, the size of the balance and your tolerance for a return that moves.

Compare and act

To weigh current money market funds side by side, review yields, minimums and fees across providers before you decide.

Frequently asked questions