The profit source of stocks is the profit dividend of listed companies.
Futures actually have no source of profit. All transactions in futures can be regarded as pure commodity transactions, and the commodity itself will not bring you any profit points;
Of course, as speculators, their value identification is of the same nature. In other words, "speculation" is their future price difference. At this point, their essence is the same, but for speculators, there are too many things with this essence, such as speculating on buildings, garlic and even antiques. As long as the price is not constant, they can speculate, because they are essentially chasing profits with the difference.