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2. The function of capital accumulation and resource allocation in the stock market.Stock capital market: if the stock price base does not rise, all other derivatives will be zero.First, the basic position of the stock capital market

1. The economic barometer function of the stock market iconDerivative financial products, such as futures, option icon, funds, insurance, etc., are financial products derived from basic assets such as stocks and bonds. Their value is derived from the price changes of the underlying assets. For example, stock option is a derivative product based on stock, and its value depends on the price fluctuation, maturity time, volatility and other factors of the underlying stock. If the stock market does not rise and the stock price lacks fluctuation, then the value of stock options will be difficult to be reflected. Moreover, derivative financial products themselves have high risks, and their price changes are often more violent than the basic assets. When the stock market does not rise, the high-risk characteristics of derivative financial products will be amplified, and investors may suffer huge losses.Second, the dependence of derivative financial products on the stock market

Participants in the derivative financial commodity market, including hedgers icon and speculators, their trading strategies largely depend on the trend of the stock market. Hedgers hedge the risks in the stock market by derivative financial products. If the stock market does not rise, their hedging needs may decrease. Speculators hope to profit from the price fluctuations in the stock market and the derivative financial commodity market. If the stock market lacks upward momentum, speculators will also reduce their participation in the derivative financial commodity market.1. The nature and risks of derivative financial productsAccording to the research report of financial institutions, the trading volume of derivative financial commodity market usually drops sharply during the period of stock market downturn. This is because investors' income expectations of derivative financial products have decreased, while risk aversion has increased. For example, during the global financial crisis in 2008, the stock market plummeted, and the markets of derivatives such as futures and options also fell into chaos. Many investors suffered heavy losses because of the transactions of derivatives.