1. The transaction objects are different. The trading objects in the general commodity market are all kinds of commodities with different use values that can meet people's specific needs. The trading objects of the securities market are stocks, bonds, investment fund vouchers and other securities as economic rights and interests certificates.

2. The purpose of the transaction is different. The purpose of securities trading is to realize investment income or raise funds. The purpose of buying goods is mainly to meet the needs of certain consumption.

3. The price decision of the transaction object is different. The price of commodity market depends on the socially necessary labor time for producing commodities, and its essence is the monetary expression of commodity value. The essence of securities price in the securities market is the division of profits, which is the market performance of expected returns and is closely related to the market interest rate.

4. Different market risks. Because the general commodity market implements the principle of equivalent exchange, the price fluctuation is small and the market prospect is predictable, so the risk is small. However, the influencing factors of the securities market are complex and changeable, the price fluctuates greatly, and it is unpredictable. Whether investors can get the expected return from their investment is uncertain, so the risk is great.