CME Bitcoin futures BTC August contract fell 200 US dollars, a decrease of approximately 3.30%, reported 5865 US dollars, according to Wall Street statistics, CME Bitcoin futures for four consecutive trading days before the previous month's contract closing record lows, August contract fell this week About 5.10%, a 22.47% fall in June, the previous month's contract fell more than 20.04% in the second quarter, and fell about 59.47% in the first half of 2018. CBOE Bitcoin futures XBT August contract closed down $170, down 2.80%, Reported for 5897.50 U.S. dollars, CBOE bitcoin futures for the third consecutive month also closed at a record low for the previous month. The August contract fell more than 3.91% this week. In June, it fell more than 22.17%. The previous month's contract fell more than 18.54% in the second quarter. In the first half of the year, it fell by about 59.47%.