Add a name, American crude oil and spot are linked to deviate. Futures and spot are upside down, sometimes premium, sometimes discount, which is very different around spot. The reason is that there is an essential difference between the two. Futures is the future price, spot is even, futures is expectation, spot is reality, there are thousands of investment methods, and the one that suits you is the best. Of course, you need to contact and compare, test and understand, and so on