Great Wisdom is a professional financial information technology service provider. Great Wisdom is a professional financial information technology service provider, with excellent data acquisition ability and strict data processing procedures to ensure that customers get sufficient information and data quality. Great wisdom cooperates with Shenwan officials to provide Shenwan index data and related derivative indexes, such as counter-market strategy index and momentum strategy index. Shenwan Index is an index system jointly launched by China Securities Association, Shanghai Stock Exchange, Shenzhen Stock Exchange and China Financial Futures Exchange, including Shenwan Industry Index, Shenwan Theme Index and Shenwan Scale Index.