Shows: Planet Money (NPR)
Episodes: #993 : Negative Oil
Summary:
On Monday, the price of a barrel of oil in the United States fell to negative $37. That's never happened before. What's going on with the price of oil? 

Related Articles: 
How negative oil prices could set the stage for the next price boom
Why oil prices fell into negative territory — and why it might happen again

一言メモ：
Twitterでとんでもない落差のグラフを見てびっくりして興味を持ったニュース。原油価格は株や為替とは違って月単位で取引されているというのが新たな学びでした。