Derivative currency-exchange transactions

A method for executing a money transfer from a first party to a second party, the method comprising:

• receiving customer instructions at a host system to stage the money transfer, the instructions including specification of an amount of money to be transferred, specification of a first currency in which the funds are to be provided by the first party, specification of a second currency different from the first currency in which the funds are to be received by the second party, and specification of a trigger currency exchange rate;
• receiving confirmation at the host system that the fuids have been collected from the first party;
• thereafter, monitoring, with the host system, a currency exchange rate between the first currency and the second currency;
• and
• determining, with the host system, whether the monitored currency exchange rate is at least as favorable for the first party as the trigger currency exchange rate.