There are many funds in Shanghai and Shenzhen 300, including ETF on-site funds and off-site linked funds. The price is different, and the price of the first hand is different, depending on the funds bought. The minimum amount of funds can be 10 yuan or 100 yuan, and the minimum amount of funds in the field is 1 hand. 5. 1 18 yuan/share, the first hand is 5 1 1.8 plus the handling fee, which is the commission for opening a securities account.

The Shanghai and Shenzhen 300 Index is a financial index jointly issued by the Shanghai and Shenzhen Stock Exchanges on April 8, 2005, which reflects the compilation goal and operation status of the Shanghai and Shenzhen 300 Index, and can be used as an evaluation standard of investment performance, providing basic conditions for indexed investment and innovation of index derivatives.

The so-called free circulation is simply the circulation after excluding unlisted share capital. Specifically, free circulation is the circulation after excluding the long-term shares, state-owned shares, strategic investor shares, frozen shares, restricted employee shares and cross-shareholdings held by the founders, families and senior managers of the company. This not only ensures that the index reflects the overall dynamic evolution of stock prices in the circulation market, but also facilitates investors to hedge, portfolio and index investment.

The weights of the constituent stocks of the 300 Index are determined, and * * * is divided into nine grades. This takes into account the particularity of China's stock market structure and possible structural changes in the future, and at the same time can avoid abnormal fluctuations in the stock price index. The specific value and proportion of nine-level collateral are clearly defined. From the point of view of index replication, the adoption of graded collateral technology can reduce the increase in the cost of tracking investment caused by frequent changes in share capital, which is convenient for investors to track investment.