US oil prices crash below $0 a barrel
edition.cnn.com
edition.cnn.com
See: https://www.bloomberg.com/opinion/articles/2020-04-20/there-...
The current situation is really well explained. Basically contracts which make you owner of oil end tomorrow. you have to store it somewhere then. or sell the contract quickly for -37$ before the market closes. Article for more details.
[0] https://www.bloomberg.com/opinion/articles/2020-04-20/there-...
I'm oversimplifying it... there is so much more supply than demand that groups that can't take physical delivery of a contract (no space) and are paying to have it taken off their hands.
Better discussion here: https://news.ycombinator.com/item?id=22924321