Generally refers to the foreign exchange buying and selling rate between banks. The rate is established when authorized foreign exchange banks make offers and bids. The rate for customers is determined based on this rate. The rates of each country's currency are customarily quoted in US dollars. For example, the yen and other major currencies are displayed as 1 US dollar = 130.80 yen, while the British pound is displayed as 1 British pound = US$1.6543. Transactions can be made by telephone through an exchange broker, or directly by telephone or telex, and market participants are authorized foreign exchange banks, exchange brokers who act as intermediaries between banks, and central banks. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
一般に銀行間の外国為替売買相場を指す。外国為替公認銀行が売り唱え,買い唱えをすることにより成立する相場。この相場を基準にして対顧客相場が決定される。各国通貨の相場は,米ドルを介して建て値されるのが慣習となっており,たとえば円や他の主要通貨は,1米ドル=130円 80銭などと示されるが,英ポンドのみ1英ポンド=US$1.6543のように表示される。取引形態としては,為替ブローカーを通じた電話による取引,および電話,テレックスなどによる直接取引があり,市場参加者は,外国為替公認銀行や銀行間の取引を仲介する為替ブローカー,中央銀行である。
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