Bitcoin Price Is Volatile But Can Futures Contracts And Arbitrageurs Affect It?
TL;DR: Futures contracts increase sell pressure by allowing traders to sell synthetic contracts without borrowing the actual asset. However, that pressure may be absorbed by the market, as shown by the price action of Bitcoin.
Futures Contracts Story: https://medium.com/mark-price/can-you-drop-bitcoin-price-with-futures-contracts-81e8a45fc075