Islamic term deposits are sums locked with a bank for a fixed period and rewarded not with interest but with the margin of a deferred-payment commodity sale or with the profit of an investment agency, under a structure approved by the bank's Sharia board. The customer agrees to the term in advance, and the way the return arises depends on whether the contract is a Tawarruq or a Wakala.
How can a fixed return exist without lending at interest?
A conventional bank borrows the customer's money and pays a rate. An Islamic bank must instead go through a real exchange: it buys an asset from the customer on deferred payment, or manages the funds as an agent. The gain arises from the commercial transaction.
Tawarruq in four steps
The customer appoints the bank to buy a metal on their behalf from a commodity platform, then sells it to the bank at a mark-up payable at maturity. The bank sells the metal for cash. At term, the customer receives the deferred price.
Holding the goods and bearing risk before resale
For the sale to be valid, the customer must actually own the commodity, at least through constructive possession, before selling it to the bank. Ownership certificates identifying the purchased lots serve as evidence during the Sharia audit.
Commodity platforms in use
Banks generally rely on base-metal brokers or specialised exchanges such as Bursa Suq Al-Sila in Malaysia, which trades palm oil among other goods. Gold and silver are avoided because trading them falls under the strict rules governing currency exchange.
A worked example of an Islamic term deposit under Tawarruq
Imagine a customer placing 20,000 for twelve months. Through a Tawarruq arrangement, the bank buys a commodity lot worth 20,000 on behalf of the customer, who then sells it to the bank for 20,900 payable in one year. The bank resells the lot for cash. At maturity, the customer receives 20,900, and the 900 is the margin, equivalent to a return of 4.5 percent. The numbers are illustrative only and vary with market conditions and the bank's pricing.
What matters for the saver is the status of the 900. Once the sale is concluded, it is a fixed amount owed by the bank, not an estimate. That is why a Tawarruq deposit usually offers a firm figure, whereas a Wakala-based Islamic term deposit quotes an expected profit that may turn out higher or lower.
Organised Tawarruq, a contested practice
The International Islamic Fiqh Academy ruled against organised Tawarruq, in which the bank arranges the whole chain. AAOIFI regulates it tightly. Some boards accept it with conditions, while others reserve it for liquidity management and prefer other structures for retail savers.
Fixed-term investment Wakala
Another formula: the customer appoints the bank as agent to invest a sum for three, six or twelve months. The bank announces an expected profit, earns a fixed fee and may keep any surplus as a performance incentive. The agent does not guarantee the capital.
Expected profit versus guaranteed profit: the decisive nuance
In a Wakala, the quoted rate is only an estimate; a loss without the agent's fault reduces capital. In a Tawarruq, the margin becomes a firm debt owed by the bank once the resale is made, comparable in safety to a conventional deposit.
Withdrawing before maturity and the ibra rebate
A margin already fixed cannot be changed unilaterally. If the customer withdraws early, the bank pays the deferred price minus a voluntary rebate, called ibra, which brings the gain down to the level agreed for early withdrawal, with no interest penalty.
Who an Islamic term deposit suits
A halal term deposit suits a saver with a known horizon: a wedding, a house deposit, a Hajj trip or a business payment due in a year. It is less suited to emergency funds, where instant-access savings are more flexible, or to long horizons, where an investment account or sukuk might offer a better expected return at higher risk.
An Islamic term deposit also suits corporate treasurers who want predictable returns on idle cash. Businesses frequently run ladders of fixed-term deposits maturing on different dates, so that part of the cash is always close to availability. In that case the bank's willingness to accept partial withdrawals and its ibra policy deserve particular scrutiny.
Questions about Sharia supervision of an Islamic term deposit
The Sharia board approves the product template, not each individual deal, so the bank should operate controls that confirm every transaction follows the template. Internal Sharia audit samples confirmations, checks that the commodity existed and that the dates in the documents match the platform records. An Islamic term deposit with weak controls can drift into a purely paper exercise.
Customers cannot audit the bank, but they can read what is published: the Sharia board's report in the annual accounts, the list of approved structures, and any statement on non-compliant income that was donated to charity. A halal term deposit from an institution that publishes these items is easier to trust than one that offers only a certificate of compliance.
Terms, minimum amounts and rollover of a halal term deposit
Offers often run from one month to several years, with an entry amount set by the bank. Automatic rollover means a new purchase and resale at every maturity, which requires a standing power of attorney signed by the customer.
Why the IFSB cares about locked deposits
IFSB principles on liquidity risk note that Islamic banks have relatively few instruments for refinancing. Term deposits stabilise their liabilities, provided maturities are spread out and early withdrawals remain predictable.
Brokerage fees and the hidden cost of the structure
Each Tawarruq generates brokerage fees on the commodity. Most banks absorb them, but some pass them on. Check that the stated margin is net of these fees and that no cost appears only when the deposit is closed.
Before opening the deposit: documents to request
Ask for the agency contract, a description of the commodity, the ibra calculation rule, the product's deposit-protection status in your country and the Sharia board's opinion. Finally compare the net margin with a profit-paying instant-access account.
Bank failure, deposit protection and zakat
A fixed-term deposit of this kind is a debt or an agency claim on the bank, so the saver faces the bank's credit risk. Where national schemes cover Islamic deposits, the usual per-depositor ceiling applies, and amounts above it are exposed. Spreading large sums over several institutions reduces the concentration, an approach as relevant here as for any deposit.
Zakat is due on the capital held through the year, and on the profit once received. A saver holding a halal term deposit across the end of the lunar year should ask the bank for a statement of principal and accrued margin as of that date, which makes the calculation straightforward.
Comparing Islamic term deposit offers properly
When choosing an Islamic term deposit, compare offers on the net profit actually received by the customer after any brokerage and administrative charges, not only on the advertised figure. Look at whether the rate is fixed or expected, how much notice is needed for early withdrawal, and whether the ibra rebate is stated in the contract or left to the bank's discretion. A stated formula gives certainty; an unstated one leaves the saver at the bank's mercy.
Also ask for the maturity instructions in advance for any Islamic term deposit. If the deposit renews automatically, the new term can carry a different rate, and a saver who misses the notice window may be locked in again. Setting a calendar reminder a few weeks before maturity is a simple habit that protects a fixed-term deposit from drifting into an unwanted renewal.
Providers offering these services
- Kuwait Finance House (UK) : Islamic bank offering a fixed-term deposit account in which the bank invests the deposit as agent under a Wakala agreement.