Crude oil futures, referred to as oil futures, are the most important oil futures. At present, there are four important crude oil futures contracts in the world:

The New York Mercantile Exchange (NYMEX) light sweet crude oil: West Texas Intermediate crude oil futures contract; Such as light oil, natural gas, unleaded gasoline, hot oil and Brent crude oil;

High sulfur crude oil futures contract; Such as gasoline, kerosene, diesel oil and crude oil;

Brent crude oil futures contracts of London International Petroleum Exchange (IPE), such as Brent crude oil diesel;

Singapore Exchange (SGX) Dubai acid crude oil futures contract, such as Middle East crude oil.