This doesn't directly answer your question, and many have replied already, but I thought you might like this: https://www.bloomberg.com/news/articles/2015-11-0

This doesn't directly answer your question, and many have replied already, but I thought you might like this: https://www.bloomberg.com/news/articles/2015-11-03/that-time-i-tried-to-buy-some-crude-oil https://www.bloomberg.com/news/articles/2015-11-03/that-time...