It is called arbitrage to obtain a profit by buying and selling foreign currency at the same time. Under normal conditions only be exchange vehicle exchange rate, it has turned into an investment vehicle due to its decreasing tendency in ever-increasing pace and being easily buy and sold. Increase in foreign exchange investments in people While increase the risk and the tendency to buy the currency from the true price, of people's expectations and thoughts, is supported by the speculation in this process. In this study, 375 people living in Burdur and Antalya with the help of the survey speculative factors influencing earnings by buying and selling dollars, investigated by logistic regression model. As a result, increase people think that exchange rate or dollar exchange rate is related to interest rate or political stability increased the tendency to profit returns by buying and selling dollars, and increase people think that exchange rate or dollar exchange rate related to foreign trade datas or economic growth decrease the tendency to profit returns by buying and selling dollars.