Registration – The process of creating an account with an online broker or dealer. Registration usually often grants access to a full trading platform.

Rally – When a currency goes through a period of decline and then recovers value it is in a rally.

Range – The range is the amount from the lowest price to the highest price of a currency within a given time period.

Rate – The rate is the ratio of one currency against another. It is synonymous with the price of one currency in terms of a second currency.

Relative Strength – Relative strength is the measure of a price of a currency or other financial instrument over a period of time in relation to the price of other similar currencies or financial instruments.

Resistance – The level determined by technical analysts that is believed to be the prime selling point.

Retail – Retail may refer to sales of goods made to consumers or the type of quotes available to individual traders.

Revaluation – When a central bank increases the value of its currency through intervention it is revaluated.

Risk – The exposure to the uncertainties of currency movement on a floating market.

Risk Management – Risk management is an attempt to minimize risk through the use of analytical tools or trading techniques.

Rollover – Rollover may mean opening new positions with the funds from closed positions or to move an open position to the next delivery date.

Round-Trip Trading – Round trip trading is the frequent buying and selling of a currency for the purpose of increasing the trade volume registered on the market.