They are not only related, but also closely related. How did the spot price come from and how was it priced? The reference prices all come from futures, because futures refer to the future, not the future supply and demand relationship. There are many people buying and selling, so it is authoritative, and the relationship between supply and demand of spot also affects futures prices. Otherwise, there is no difference between forward market and reverse market, but many enterprises still don't understand the function of futures market and how to realize this function, which is why futures are not available.