Option is a tool of financial inovation rooted from America. It has developed fast in China these years and has become an important tackle for investors.This paper introduces some basic knowledge about option ,analyses four option pricing modles and applys them in calculating tow options' price,at the same time,we assess the imitated outcome.This paper is organized as follows.In chapter one ,we give four models;In chapter tow,we give the procedure of each model and some explanation; Chapter three introduces tow options. By using the four models,we get their theoretical price and find which model is more accurate than another. In chapter four ,we get some conclusions and find some reasons for the difference between theoretical price and historical price. So it maybe help people to improve the models above. |