Research On The Legal Mechanisms Of Risk Prevention In The Stock Index Futures

China imported margin trading in March 31, 2010.China imported a stock index futures in April 16, 2010, a series of financial products have been manufactured, a series of financial policies are developed in succession, a series of financial Business gradually been opening up to other countries. So far, the operation of stock index futures is smooth. Stock index futures is a high risk of financial derivatives, such risks are investors and institutions, also belong to national economic security. In the history of the development of stock index futures, it played a bad role, while it brings a bad effect. For example, in the case of Barings Bank collapse, the case of French bank losses, the Japanese economic crisis, the Asian financial crisis and other major history of financial disasters. The stock index future is the financial turmoil and is to be an important useful tool which became a yoke in neck of the affected countriesToday, our nation imported the new era of reform and opening up the domestic financial sector and gradually opens to other countries. Our country continues to import foreign complex financial derivatives. So we have to examine our own behaviors, we have to remember the disasters of other countries; we must have a cautious heart. However, in our country's financial sector policies, we are very worried that we seem to take the old path of Japan's financial industry; we imported the trap set by others. It is out of the country's financial safety, for the protection of the interests of the investors. Our country has just launched the complex, high-risk study of stock index futures, stock index futures is to examine the risk legal mechanism to prevent the dangers; I hope to contribute to China's financial security.The value of this topic is: In China, for stock index futures risk prevention mechanism of inadequate laws, legislation is imperfect, and because the stock index futures in our country has just been launched, it needs to have in-depth study in this article and get good guidance. Therefore, this paper has important theoretical and practical research value. Purpose of this study is to enhance the investors and the relevant departments and enhance awareness of the risks of stock index futures and stock index futures is to improve the controlling ability of risks, to ensure the smooth operation of stock index futures and ensure the safety of China's financial industry.First, the paper has two stock index futures risk occurs and leads to the reality of the case the risk of stock index futures. Our country's stock index futures risk prevention mechanism is not established and the legal cause of the enormous threat to financial security. The first part of the body is the legal mechanism to prevent the risk of stock index futures overview that the main content is the content and characteristics of stock index futures, stock index futures, and stock index futures risk function and the meaning and classification. Currently, the stock index futures in the risk prevention system are: deposit system; price limit related systems; position limits system and large reporting system; forced open system; settlement system and the risk of UNPROFOR reserve system; risk warning system. The second part of the body of the main content of stock index futures risk prevention is the status of legal mechanisms. At present, as to China's stock index futures in the legal risk prevention mechanism, the problems are: the system is not perfect; implementation of the system is not in the right place; the effect is not obvious; it can not cope with international financial threat. Risk of stock index futures cause of the problem is the legal mechanism: the law enforcement system is not perfect; separate supervision Mixed mode suited to the development requirements; on the international stock index futures is the lack of understanding of financial risk, stock index futures should not create an international financial threat prevention mechanism. The third part of the body of the foreign stock index futures is the legal mechanism of risks; they have three main models, namely the U.S. government-led model; British-led self-regulation; the middle model of French. Then, I talked about the futures of these countries regulatory model for China. The fourth part of the body is to improve the Risk of Stock Index Futures legal mechanism. They are the multi-level legal system, to avoid the offside law and absence; build highly efficient law enforcement system; as quickly as possible indicators of financial risk early warning system, and strengthen cross-market risk and systematic monitoring and analysis of financial risks; the establishment of a unified of the financial regulatory system.