On May 20th, the contract on May 05 plunged more than 20%, but in view of the huge difference in the fundamentals of the two months, they should be treated separately. As the month is changing, investors should be biased towards the main force when choosing contracts Contract, but 05 contract pressure will be greater. May may be the inflection point of the global epidemic. At the same time, the 05 contract also faces huge pressure on inventory and storage costs, which makes negative oil prices frequent. At the same time, the 06 contract may face a global economic restart. On the day of global resumption of work, spot oil prices are expected to bottom out, possibly at the end of April or early May.