Because US becomes the World emergency gas station

Not only that, Asia refiners start to use CME WTI price instead of Dubai WTI price as trade mark. Dubai WTI price is about 20% higher than CME WTI price. 美国这次很可能夺取了原油定价权。

US and some countries also released oil reserves to calm down the market. I believe between $60-70, they will reload the reservers.