The present study aims to evaluate of annual international prices for sugar at London and New York stock exchanges during the period from 2002-2019, as well as to study the seasonal changes of global and local monthly sugar wholesale prices. Study of the development of the annual sugar prices showed that it fluctuated between highland and low. the global average, according to the London and New York stock exchanges, reached about 386.8 and 305.7 USD/ton, respectively. The study also revealed that the average global monthly price of sugar during the period from (January 2017 to December 2019 was about $ 369.2 USD/ton. The results showed that the fluctuations in the monthly Egyptian sugar import prices reached their lowest level in august of each year, as the seasonal change index reached about 0.93, while the highest level was achieved in February, when the seasonal change index reached about 1.06.