The top and bottom of futures are dynamic and will fluctuate greatly with the change of market supply and demand, so they will not be fixed. Generally speaking, there are the following situations at the top and bottom of futures: when investors are optimistic or the market is prosperous, futures prices will rise sideways or at the top; When investors are pessimistic or the market is in recession, futures prices will be sideways or fall to the bottom. Therefore, for futures investors, it is necessary to deeply understand the market operation mechanism and related risk management knowledge in order to cope with the risks and opportunities brought by market fluctuations.