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                                                                                                  January 18, 2018

Financial Reform: Custody Banks and the Supplementary

Leverage Ratio


Vlhmt Dok Custody~ Banks D~o
Custody banks engage in the safekeeping and servicing of
assets owned by others. Custody banks may also perform
services such as the settlement, holding, and reporting of
customers' marketable securities and cash. Customers are
often asset managers, mutual funds, retirement plans,
insurance companies, corporations, endowments, other
banks and financial entities, or large private investors. The
other unique feature of custody banks is that they often act
similarly to escrow in financial transactions, holding onto
assets or collateral for the parties to a financial
transaction such as a derivatives trade or a securities
lending trade until the trade is finalized and the rightful
owner of the asset or collateral collects it. Custody banks do
not have a special charter, but are ordinary banks that
engage in custody activities.

The custody services industry is highly concentrated.
According to one study, as of the end of the first quarter of
2017, the four largest custody banks were Bank of New
York Mellon, State Street, J.P. Morgan, and Citigroup, and
they held 47% of the total assets under custody in the
United States, then totaling $103 trillion.

Although the safekeeping function is not viewed as
presenting much underlying credit risk (or risk of loss) to
the custody bank itself, the sheer volume of transactions
and size of related assets such banks hold highlight the
crucial role custody banks play in the functioning of the
global financial system. The Office of the Comptroller of
the Currency (OCC) sees operational risk as one of the
largest risks for custody banks, because the provision of
custody services is largely dependent on the successful
execution of very large volumes of operational tasks and
transactions and requires sophisticated systems. Operational
risk is broadly defined as the risk of loss resulting from
inadequate or failed internal processes, people, and systems,
or from external events, such as cyberattacks.

Figure 1 shows the U.S. banks with the largest custody
businesses. Two of the banks, JP Morgan and Citigroup, are
diversified conglomerates whose primary line of business is
not custody services, and that also engage in investment
banking and commercial lending. The other two, Bank of
New York Mellon and State Street, according to their
annual reports, derive the largest chunk of their revenue
from investment servicing fees, including custody fees.
Such fee-based revenue often entails lower risk than
revenue from trading or lending activities, which carry
credit and market volatility risk. Another bank, Northern
Trust, though smaller in terms of total assets, also has a
large custody business as a share of its total revenue.


Figure I. Banks with Large Custody Businesses Based
on Assets Under Custody (AUC)
           AUC ($trillion)          End 2016
           Bank of N ew Yo, rk MIe Io $29.9
           State Street               $28.8
           .PMorgan                   $20.5
           Cirigtoup                  $15.2
           Top 4 To0t al             0P4.4
Source: The 2016 annual report for each bank.
Custody banks have argued that some of the Basel III
requirements implemented after the 2008 financial crisis
were inappropriate for their business model, which focuses
on the servicing of client assets. Basel III is an
internationally agreed-upon set of measures developed by
the Basel Committee on Banking Supervision in response to
the financial crisis of 2007-2009. In particular, several
custody banks have complained about the impact of the
supplementary leverage ratio (SLR) under Basel III. They
argued that it makes their fee-based, high-volume business
disproportionately costly due to reasons discussed below.


   Supplemetzr L  U Vt§'a z ,e atio a
In response to the financial crisis, both the Dodd-Frank Act
and Basel III requirements broadly aimed to increase banks'
capital holdings to strengthen the financial system's
resiliency against future crises. Basel III included risk-
based capital requirements to ensure banks hold more
capital against riskier assets. It also included a leverage
ratio that imposed the same capital charge for every asset,
no matter how safe, to provide a backstop and ensure banks
hold a minimum amount of capital regardless of their type
of assets. The leverage ratio also captures a certain size
footprint of a bank's total financial activities. Currently,
almost all U.S. banks and bank holding companies are
subject to a minimum 4% leverage ratio, as measured by
the ratio of a firm's high quality or tier 1 capital, over the
sum of all its on-balance sheet assets.

The U.S. Basel III SLR rule also requires large,
internationally active U.S. banking organizations (typically,
those with $250 billion or more in total consolidated assets
or $10 billion or more in on-balance sheet foreign
exposures) to meet a minimum 3% SLR. The SLR is
measured as the ratio of a firm's tier 1 capital to the sum of
all on-balance sheet assets and certain off-balance sheet
exposures. The enhanced supplemental leverage ratio
(eSLR) standard requires a U.S.-based global systemically
important bank holding company (G-SIB) to hold an
additional 2% buffer over the minimum SLR requirement
for a total of 5% to avoid restrictions on capital


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