Investors who buy and sell such financial products need to be very cautious, because the losses may be greater than the initial investment of investors. At the same time, since it does not represent any assets, its transactions should not be regarded as investments.
The biggest difference between financial derivatives and stocks is that the stock market will expand. If it appreciates, everyone will benefit, but if it falls, no one will be spared (for example, the Wall Street stock market crash that led to the Great Depression in the United States 1929). Buying financial derivatives is a zero-sum game. Just like gambling, if someone makes money, someone must lose money.