There are two main ways for ordinary investors to invest in the crude oil market: 1, investing in oil and gas stock indexes; 2. Investing in crude oil futures, but due to the postponement of futures, there will be risks of uncertain returns in investing in crude oil futures. At present, there are many categories of overseas oil and gas indexes tracked by domestic funds. Comparatively speaking, the Dow Jones American Petroleum Development and Production Index has certain advantages in terms of industry representativeness, correlation with international oil prices and historical performance.

Judging from the compilation scheme, Dow Jones American Petroleum Development and Production Index consists of stocks of companies related to oil and gas exploration, transportation and refining in the US market. The index is highly representative of the American oil and gas exploration industry and has a reasonable weight distribution, so it has a high correlation with international oil prices.