(2) Theoretically, all the factors that affect futures fluctuation; It also affected the scene. But it is often futures prices that fluctuate more violently. When the burst time occurs; Often the foundation will expand.

(3) Under normal circumstances; The price of futures contracts should be higher than the spot price. This is because the delivery of the futures subject matter must be transported to the designated warehouse. Therefore, the transportation and storage costs are higher than the spot.

(4) After entering the delivery period; The prices of the two are getting closer and closer. Until it disappears.