SUMMARY
This research was carried out with private company owners and shareholders-managers in Yalova. These managers were asked about the general approach for the most commonly used securities in the financial system. They were asked to express the level of knowledge they felt. The interviews were conducted face to face with the managers. The level of knowledge expressed by the managers was evaluated on a triple scale. It was examined with various cross tables. Percentages were taken. According to the findings, most owners and shareholders - managers accept that they do not have enough knowledge about the securities used in the financial markets. The lowest level of knowledge is expressed for the derivative products. The highest level of knowledge is expressed for the stock types. As a first step, this study is important in terms of raising awareness on this issue. This research and its results can be used for the development of training and programs for businessman. Also, they can be used in the chambers of commerce and universities.