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Liquidity management at UK Islamic banks


13 April 2011

The 13 April 2011 edition of Islamic Finance News contained several articles about Islamic finance in the UK. I contributed an article about liquidity management, which is reproduced here with the concurrence of the editor. This version uses hyperlinks unlike the printed version.

Liquidity management is a challenge for British Islamic banks.

Balancing between too much and too little liquidity is one of the key challenges for anyone running a bank. After explaining the basic issue for conventional banks, this article outlines why liquidity management is even more challenging for Islamic banks, and then considers the situation of Islamic banks established in Britain.

Liquidity management and conventional banks

The key management challenge is that holding liquidity imposes a cost on banks in the form of foregone profits. Conversely, holding insufficient liquidity can be fatal.

The diagram below which was taken from the Bank of England website shows the sterling yield curve on the 4th March 2011 and also for comparison the yield curve on the 10th February 2011. At that time the data spreadsheets from the same page showed an interest rate of 0.69% for one month duration borrowings.

Graph of the Sterling yield curve as at 4 March 2011

In very simple terms this means that a conventional bank can borrow “one month money” at 0.69% and lend it out as a 10-year fixed rate loan earning about 5%, making a profit of 4.31%. This duration mismatch is one of the key reasons a bank is able to charge borrowers a higher rate of interest than it pays to its depositors. If instead the bank made loans of only the same duration as its borrowings, it would not benefit from the spread between short term and long term rates.

The danger for the bank is that its one month borrowings will become due in 30 days, and will need to be rolled over. If it cannot roll those borrowings over, it risks failure. Readers will remember the queues in the summer of 2007 around branches of the UK conventional bank Northern Rock once customers developed doubts about the bank’s ability to repay its short term borrowings.

There are three principal ways a conventional bank manages its liquidity risk:

  1. By holding assets that can be quickly converted into cash. These assets will include interest earning deposits with the central bank, but more importantly will comprise high quality (to avoid credit risk) short dated (to avoid market illiquidity and interest rate risk) securities such as short term obligations issued by the government (Treasury bills).
  2. By structuring its long term lendings in a manner that allows them to be sold on the secondary market. It is normal for conventional UK bank long term loans to contain provisions that enable the lending bank to sell the loan. Making its long term lendings resalable is not a substitute for holding liquidity, but it significantly helps the bank to manage its liquidity position over longer periods. Gradual reductions in the funding available can be managed by selling down some of its long term lendings, thereby shrinking the total size of the business.
  1. Ultimately the central bank acts as a lender of last resort to conventional banks that are fundamentally sound but face a sudden and unexpected liquidity outflow.

Liquidity management and Islamic banks

Islamic banks neither pay nor charge interest. However their business model is essentially the same as that of conventional banks: they take money from customers on a short term basis, and use that to finance businesses and individuals on a longer term basis. Accordingly they face the same liquidity management risks as conventional banks, but can find it harder to manage those risks.

(a) Liquid assets

There is a smaller range of short term liquid assets that Islamic banks can hold. Interbank commodity murabahah transactions entail credit risk (unlike Treasury bills). Also they have fixed durations, for example 30 days, and may not be convertible into cash before their maturity date.

In some countries, central banks have created suitable liquid assets for their Islamic banks to invest in. More recently, on the 25th October 2010, 13 institutions agreed to set up the International Islamic Liquidity Management Corporation (IILM) headquartered in Kuala Lumpur, Malaysia. These founding bodies included the central banks of a number of Muslim majority countries, but also the central bank of Luxembourg, a country which promotes itself for Islamic finance business. IILM will issue high quality Shariah compliant instruments which Islamic banks can hold for liquidity management purposes.

(b) Resalable long term assets

Some long term assets held by Islamic banks, such as sukuk, can obviously be sold. Others such as ijarah contracts and diminishing musharakah contracts should be saleable provided that the documentation permits sale. However the bank’s Shariah scholars may not permit the secondary trading of the bank’s rights under long term murabahah contracts.

(c) Lender of last resort

One occasionally reads the comment that Islamic banking lacks a lender of last resort. This is not accurate in the case of most Muslim majority countries. For example the Malaysian central bank makes it clear on its website page describing the Islamic interbank money market that since 1999 it has been available to act as lender of last resort to Malaysian Islamic banks under its Bai Al-Inah Funding facility. However in some countries the central bank may not offer Shariah compliant lender of last resort funding.

UK Islamic banks’ liquidity management in practice

The UK’s Islamic banks all account on a calendar year basis. At the time of writing, they have not published their 2010 accounts, but their 2009 accounts are available. They show the following composition for their liquidity:

UK Islamic banks' liquidity management 31.12.2009 £'million
Cash and balances with banks          93.6            0.7                1.0            3.3            0.6
Due from other financial institutions (murabaha and wakala)        124.4        120.0              30.9          19.1        155.9
Other assets        543.3          46.3              16.5          27.5          50.5
Total assets        761.3        167.0              48.4          49.9        207.0
Liquid assets percentage 28.6% 72.3% 65.9% 44.9% 75.6%

BLME: Bank of London and the Middle East
EIIB: European Islamic Investment Bank
Gatehouse: Gatehouse Bank
QIB (UK): Qatar Islamic Bank (UK)
IBB: Islamic Bank of Britain

This review of the banks’ balance sheets illustrates the problem of insufficient liquidity management assets mentioned above. All of the liquidity, apart from any actual cash, comprises balances with other banks and murabahah and wakalah transactions with financial institutions which will primarily be banks. In passing, apart from BLME, the other banks appear to be holding more liquidity than they would need for risk management purposes, but a more detailed review would be needed to confirm that.

It is not practical to review the ‘other assets’ to consider how saleable they might be should the banks face a sustained liquidity outflow. However, looking at BLME’s accounts since it has the largest balance sheet, of its £543.3 million ‘other assets’, only £96.7 million comprise murabahah agreements, where resale may present Shariah issues. It should be permissible from a Shariah perspective to sell the balance of the ‘other assets’, provided the relevant documentation allows sale by BLME.


  1. It would assist the liquidity management of UK Islamic banks if the UK government were to issue short dated sovereign sukuk similar to Treasury bills.
  2. The Bank of England should set out the procedures under which it would act as a lender of last resort to UK Islamic banks, for example by entering into commodity murabahah transactions which were secured on assets held by the Islamic bank.
  3. Islamic banks should review their documentation to ensure that wherever possible assets arising from financing customers can be sold instead of having to be held to maturity.


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