2065438+26 March 2008. 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 New York Mercantile Exchange light and low sulfur crude oil, namely "West Texas Intermediate" futures contract; 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. On March 26th, 20 18, crude oil futures were officially listed and traded in Shanghai International Energy Trading Center of Shanghai Futures Exchange. On April 20th, 2020, the price of light crude oil for May delivery in the New York Mercantile Exchange collapsed, dropping by $55.90 to-$37.63 per barrel, a decrease of 305.97%. April 20th, 2 1, light crude oil for May delivery in the New York Mercantile Exchange.