即期交易是指必须立刻进行交割的外汇交易；远期交易必须在双方约定的将来某个日期进行交割。

Spot transactions are foreign exchange transactions that have to be settled promptly, forward transactions have to be settled on an agreed future date.

youdao

期率是指远期交易率和即期交易率之间的差额。

The swap rate is the margin between the forward exchange rate and the spot rate.

youdao

不同的信用工具有不同的汇率，即电汇汇率。 即期交易按即期汇率交割，远期交易按远期汇率交割。

There are different rates for the different exchange instruments, The rates at which the banks sell foreign exchange (selling rates) are higher than the rates at which they buy (buying rates).

youdao