The term cable is a slang term used by
foreign exchange traders to refer to the exchange rate between the
pound sterling
Sterling (symbol: £; currency code: GBP) is the currency of the United Kingdom and nine of its associated territories. The pound is the main unit of sterling, and the word '' pound'' is also used to refer to the British currency general ...
and
US dollar.
The term originated in the mid-19th century, when the exchange rate between the US dollar and sterling began to be transmitted across the Atlantic by a
submarine communications cable
A submarine communications cable is a cable laid on the seabed between land-based stations to carry telecommunication signals across stretches of ocean and sea. The first submarine communications cables were laid beginning in the 1850s and car ...
.
The first
Transatlantic Cable was laid under the Atlantic Ocean in 1858, but it failed after only about a month of fitful service. The first truly successful cable across the Atlantic was completed in July 1866, reliably transmitting currency prices between the
London
London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
and
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
Exchanges. The first such exchange rate to be published in ''
The Times
''The Times'' is a British Newspaper#Daily, daily Newspaper#National, national newspaper based in London. It began in 1785 under the title ''The Daily Universal Register'', adopting its modern name on 1 January 1788. ''The Times'' and its si ...
'' appeared in their issue of 10 August 1866.
Transatlantic communications are now mainly carried by
optical fibre cables, supplemented to a small degree by
satellites, but forex traders' nickname for the sterling/dollar pair still harks back to the old days of copper telegraph cables.
References
{{Reflist
Foreign exchange market