The exchange rate is the price of one currency
expressed in another currency. Each quotation, naturally, involves two currencies.
There is always one rate for buying (bid rate) and another for selling (ask or
offered rate) for a currency. Unlike the markets of other commodities, this is
a unique feature of exchange markets. The bid rate is the rate at which the
quoting bank is ready to buy a currency. Selling rate is the rate at which it
is ready to sell a currency. The bank is a market maker. It should be noted
that when the bank sells dollars against rupees, one can say that it buys
rupees against dollars. In order to separate buying and selling rates, a small
dash or an oblique line is drawn between the two. Often, only two or four
digits are written after the dash indicating a fractional amount by which the
selling rate is different from buying rate. For example, if dollar is quoted
as Rs 42.3004-3120, it means that the bank is ready to buy dollar at Rs 42.3004
and ready to sell dollar at Rs 42.3120. Dealers do not quote the entire
figure. They may quote, for example, 3004-3120 for dollar. It is these four
digits that vary the most during the day. Here, the operators understand
because of their experience that a quote of 3004-3120 means Rs
42.3004-42.3120.
The banks buy at a rate
lower than that at which they sell a currency. The difference between the two
constitutes the profit made by the bank. When an enterprise or client wants to
buy a currency from the bank, it buys at the selling rate of the bank.
Likewise, when the enterprise wants to sell a currency to the bank, it sells at
the buying rate of the bank. Table gives typical quotations. As is clear
from the rates in the table, the buying rate is lower than selling rate.
TABLE: Currency Quotations given by a Bank
CURRENCY
|
BUYING RATE
|
SELLING RATE
|
Rupee/US $
|
42.3004
|
42.3120
|
Rupee /DM
|
22.2025
|
22.2080
|
The prices, as we see quoted
in the newspapers, are for the interbank market involving trade among dealers.
These rates may be direct or European. The direct quote or European type takes
the value of the foreign currency as one unit. In India, price is quoted as so
many rupees per unit of foreign currency. It is a direct quote or European
quote. If we say forty-two rupees are needed to buy one dollar, it is an
example of direct quote. There are a few countries, which follow the system of
indirect quote or American quote. This way of quoting is prevalent, mainly, in
the UK, Ireland and South Africa. In UK, for example, the quote would be one
unit of pound sterling equal to seventy rupees. This is indirect or American
type of quote.
Examples of direct quotes in
India are Rs 42 per dollar, Rs 22 per DM and Rs 7 per French franc, etc.
Similarly the examples of direct quote in USA are $ 1.6 per pound, $ 0.67 per
DM and $ 0.2 per French franc, etc. One can easily transform a direct quote
into an indirect quote and vice versa. For example, a rupee-dollar direct quote
of Rs 42.3004-42.3120 can be transformed into indirect quote as $
1/(42.3120)-1/(42.3004) (or $ 0.02363-0.02364). It is important to note that
selling rate is always higher than buying rate.
Financial newspapers daily
publish the rates of different currencies as quoted at a certain point of time
during the day. Financial Times, for example, indicates closing
mid-point (middle of buying and selling rate), change on the day bid-offer
spread and the day's high and low mid-point. Table gives a typical quotation.
These quotations relate to transactions, which have taken place on the
interbank markets and are of the order of millions of dollars. These rates are
not the ones used for enterprises or clients. The rates for the latter will be
close to the ones quoted for interbank transactions. The variation from
interbank rates will depend on the magnitude of the transaction entered into by
the enterprise.
Traders in the major banks
that deal in two-way prices, for both buying and selling, are called market-makers. They create the market by quoting
bid and ask prices.
The Wall Street Journal
gives quotations for selling rates on the interbank market for a minimum sum of
1 million dollars at 3 p.m.
The difference between
buying and selling rate is called spread. The spread varies depending on market
conditions and the currency concerned. When market is highly liquid, the spread
has a tendency to diminish and vice versa.
The spread is generally expressed in percentage by the
equation:
Spread = Selling
Rate – Buying Rate x 100
Buying Rate
For
example, if the quotation for dollar is Rs 42.3004/3120, the spread is given by
Spread = 42.3120
– 42.3004 x 100 or 0.0274 %
42.3004
Currencies which are least
quoted have wider spread than others. Similarly, currencies with greater
volatility have higher spread and vice-versa. The average amount of
transactions on spot market is about 5 million dollars or equivalent in other
currencies.
Banks do not charge
commission on their currency transactions but rather profit from the spread
between buying and selling rates. Spreads are very narrow between leading
currencies because of the large volume of transactions. Width, of spread
depends on transaction costs and risks, which in turn are influenced by the
size and frequency of transactions. Size affects the transaction costs per unit
of currency traded while frequency or turnover rate affects both costs and
risks by spreading fixed costs of currency trading.
In the interbank market,
spreads depend upon the depth of a market of a particular currency as well as
its volatility. Currencies with greater volatility and higher trade have
larger spreads. Spreads may also widen during financial and economic
uncertainty. It may be noted that spreads charged from customers are bigger
than interbank spreads.
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