2. Different meanings: a50 is the 50 largest listed companies selected according to certain standards as sample stocks; SSE 50 selects 50 large-cap stocks in Shanghai as sample stocks.
3. Different functions: a50 reflects the performance of the Chinese mainland market in which A-share investors can participate, and is the benchmark for overseas investors to invest in the China mainland A-share market; SSE 50 comprehensively reflects the overall situation of a group of leading enterprises with the most market influence in Shanghai stock market.
4. Different constituent stocks: A50 index includes the stocks of Shanghai and Shenzhen stock markets, and is the top 50 companies with the largest market value in China A-share market, so it can better represent the whole A-share market. The SSE 50 Index only contains 50 stocks in Shanghai, which reflects the overall situation of a group of leading enterprises with the most market influence in Shanghai.
The a50 index not only opened earlier than the Shanghai A50 index and the Shanghai-Shenzhen 300 index, but also covered the trading hours after the closing of A shares in the US and European markets.
A50 futures refer to FTSE China A50 index futures. As a stock index futures, it tracks the FTSE China A50 index. It is an index composed of the top 50 qualified companies selected from A-share shopping malls according to the compilation rules of Xinhua FTSE A-share index. Its objectives include performance, liquidity, volatility, industry dispersion and shopping mall representativeness, and it is at the leading level in shopping malls.
FTSE China A50 Index is a timely business index launched by FTSE Russell, a world-renowned index company. The official code of the index is XIN9, and the RIC code is FTXIN9. The A50 index consists of 50 companies with the highest total market value of A shares in China, accounting for nearly 33% of the total market value of A shares. The A50 index is also the only index that international investment institutions can directly invest in foreign countries with China stocks as the target. Therefore, many international investors consider it to be the most representative index of China A-share market, and take it as an accurate indicator to measure China market.
Stock index futures, namely stock index futures and futures index, are standardized futures contracts with stock price index as the subject matter. Both parties agree that on a specific date in the future, the transaction of the underlying index can be held according to the size of the stock price index confirmed in advance, and the difference will be settled in cash after the expiration. A50 futures are stock index futures with A50 index as the business target.