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Shenzhen Securities Information Co., Ltd., China Southern Asset Management Co., Ltd. and Beijing SINA Internet Information Service Co. Ltd. recently announced to issue Big Data Series indices on September 12, 2014. The Big Data Series indices include CNI Big Data 100 Index (Code: 399415, Abbreviation: i100), CNI Big Data 300 Index (Code: 399416, Abbreviation: i300), both of which take January 29, 2010 as the base day and 1000 point as the base value.
In recent years, the influence of internet finance has merged into every domain of traditional finance, with the application of internet big data shown in the core link of asset management industry. There is no such strategy stock index currently in the country that base on and select sample stock by virtue of the investment sentiment dug from the financial media and social platform until the debut of the Big Data Series indices, which offer a new investment instrument that could further meet the diverse investment needs of investors.
Big data acquired from SINA Finance, including click rate of the page of certain stock under Stock Channel of SINA Finance, and the positive and negative influence of the news report and the article posted on the micro-blog, have been qualitatively and quantitatively analyzed to measure the investors' investment sentiment and investors’ comment on single stock. On such basis, as well as upon the consideration of the stock fundamentals and market trading data, stocks with excess gain expectation are selected to form the sample stocks for the indices. The sample stocks will be adjusted regularly on a monthly basis. The issue of Big Data Series indices is not only a pro-active exploration and practice that combine the analysis of investors’ behavior and traditional fundamental analysis, but also a beneficial innovation on the basis of compilation of traditional indices.
As the data suggested, the Big Data Series indices have outstanding market performance. From the base day to August 29, 2014, the accumulative gain of the i100 and i300 are 258% and 161% respectively. Comparing with the accumulative gain of CSI 300 over the same period, being -27%, those of i100 and i300 exceed by 285% and 188% respectively.
More specific material on the Big Data Series indices can be found on the website of CNI Index （www.cnindex.com.cn）.
