FX or Forex is short for Foreign Exchange It means the foreign exchange market, an over the counter market for foreign currencies to be traded. Since most cash is exchanged, this market is the most liquid market in the world. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related Author: Mathew Spencer I am a person who is positive about every aspect of life. View all posts by Mathew Spencer