There are some factors that take the control over the market time to time based on different situation. The responsible factors are-
- Demand and supply in the market
- Hash generate
- Power supply for mining
These factors are definitely considered to be necessary because these can influence it's value. Therefore, it affects its price and movement which we can somewhat say help controlling the market. Furthermore, as long as there are users market will always be affected and still it depends on those factors that you have been given.