1. | Rainbow Option | An option that has two or more underlying assets. The option only pays out when all the underlying assets act accordingly. |

2. | Rally | A period where prices surge upward. |

3. | Range | The difference between the highest and lowest price of a currency pair during a given trading period. |

4. | Rate | Price at which a currency can be purchased or sold against another currency. |

5. | Rate Differentials | The difference between the interest rates of two countries. The country with the higher interest rate will attract investment that will be financed in the lower rate country. |

6. | Rate of Return | The percentage of money gained or lost on an investment relative to the amount of money invested. |

7. | Ratio Spread | Holding an unequal amount of long and short options positions. Two short and one long is a popular ratio spread strategy. |