Securities are documents that promise the payment of money, interest, profits or dividends. Securities are documents of a civil property right that is closely related to that security and whose usage is conditioned by having that document. Securities imply a series of written documents or documents where appropriate property right, which can be used only under condition of the legal ownership, is incorporated. Securities in the narrow sense refer to investment instruments, in other words, they refer to those securities where there is investment risk that compensates for potential profits. This paper deals with the trade of securities. The term trade of securities. in accordance with the Law on Securities, implies the sale or purchase of securities between the issuer and the customer directly or through intermediaries (primary market) and each subsequent purchase and sale of securities between the holder and the buyer of securities, directly or through intermediaries (secondary market). Why the trade of securities became so topical, is a question that can be answered in two ways. Namely, the more intense social disorder, due to the economic crisis, imposes the natural need for active planning of future so that by investments it is tried to provide a more secure financial perspective.