Storing oil isn't easy, cheap, or safe. I doubt many people have tanks, the know how, or the permits required to store oil. Then once the price goes up you have

Storing oil isn't easy, cheap, or safe. I doubt many people have tanks, the know how, or the permits required to store oil. Then once the price goes up you have to move the oil again. It's all really complicated. If you're seriously curious about knowing more check out https://www.npr.org/sections/money/2016/08/26/491342091/planet-money-buys-oil https://www.npr.org/sections/money/2016/08/26/491342091/plan...