Bitcoin futures is the future price of trading bitcoin. If the price of buying futures is lower than the price at maturity, investors will make money; On the contrary, investors will lose money. The day when the settlement is due is called the delivery date.
When the delivery approaches, everyone will also choose to raise or lower the price of Bitcoin on the delivery day to ensure that they can win more favorable prices in the futures market. This is the same as long-distance running. Finally,100-200m will sprint, which is reflected in the digital currency market, that is, as the delivery date approaches, the volatility will increase sharply.