Editing Exchange rate (section)

==Exchange rate classification==
; From the perspective of bank foreign exchange trading:
* Buying rate: Also known as the purchase price, it is the price used by the foreign exchange bank to buy foreign currency from the customer. In general, the exchange rate where the foreign currency is converted to a smaller number of domestic currencies is the buying rate, which indicates how much the country's currency is required to buy a certain amount of foreign exchange.
* Selling rate: Also known as the foreign exchange selling price, it refers to the exchange rate used by the bank to sell foreign exchange to customers. It indicates how much the country's currency needs to be recovered if the bank sells a certain amount of foreign exchange.
* Middle rate: The average of the bid price and the ask price. Commonly used in newspapers, magazines or economic analysis.

; According to the length of delivery after foreign exchange transactions:
* Spot exchange rate: Refers to the exchange rate of spot foreign exchange transactions. That is, after the foreign exchange transaction is completed, the exchange rate in Delivery within two working days. The exchange rate that is generally listed on the [[foreign exchange market]] is generally referred to as the spot exchange rate unless it specifically indicates the forward exchange rate.
* Forward exchange rate: To be delivered in a certain period of time in the future, but beforehand, the buyer and the seller will enter into a contract to reach an agreement. When the delivery date is reached, both parties to the agreement will deliver the transaction at the exchange rate and amount of the reservation. Forward foreign exchange trading is an appointment-based transaction, which is due to the different time the foreign exchange purchaser needs for foreign exchange funds and the introduction of foreign exchange risk. The forward exchange rate is based on the spot exchange rate, which is represented by the "premium", "discount", and "parity" of the spot exchange rate.

; According to the method of setting the exchange rate:
* Basic rate: Usually choose a key convertible currency that is the most commonly used in international economic transactions and accounts for the largest proportion of foreign exchange reserves. Compare it with the currency of the country and set the exchange rate. This exchange rate is the basic exchange rate. The key currency generally refers to a world currency, which is widely used for pricing, settlement, reserve currency, freely convertible, and internationally accepted currency.
* Cross rate: After the basic exchange rate is worked out, the exchange rate of the local currency against other foreign currencies can be calculated through the basic exchange rate. The resulting exchange rate is the cross exchange rate.

=== Other classifications ===

; According to the payment method in foreign exchange transactions:

* Telegraphic exchange rate
* Mail transfer rate
* Demand draft rate

; According to the level of [[foreign exchange controls]]:

* Official rate: The official exchange rate is the rate of exchange announced by a country's foreign exchange administration. Usually used by countries with strict foreign exchange controls.
* Market rate: The market exchange rate refers to the real exchange rate for trading foreign exchange in the free market. It fluctuates with changes in foreign exchange supply and demand conditions.

; According to the international exchange rate regime:

* Fixed exchange rate: It means that the exchange rate between a country's currency and another country's currency is basically fixed, and the fluctuation of exchange rate is very small.
* Floating exchange rate: It means that the monetary authorities of a country do not stipulate the official exchange rate of the country's currency against other currencies, nor does it have any upper or lower limit of exchange rate fluctuations. The local currency is determined by the supply and demand relationship of the foreign exchange market, and it is free to rise and fall.

; Whether [[inflation]] is included:

* Nominal exchange rate: an exchange rate that is officially announced or marketed which does not consider inflation.
* Real exchange rate: The nominal exchange rate eliminating inflation