It is related to the time zone, but the operation is the same. Normal trading hours are normal working hours during the day, and the market transactions are the same in the daytime in Asia, the early morning in Europe and the night in the United States.

Crude oil futures, referred to as OilFut, are the most important oil futures. OilFut is the abbreviation of "OILFutures". There are four important crude oil futures contracts in the world: the light and low sulfur crude oil "West Texas Intermediate" futures contract on NYMEX; High sulfur crude oil futures contract of Dubai Mercantile Exchange; London International Petroleum Exchange (ICE) Brent crude oil futures contract; Singapore Exchange (SGX) Dubai sour crude oil futures contract.