Meanwhile, CME launched its bitcoin futures contract at 6 p.m. ET Sunday, or 7 a.m. HK/SIN, under the ticker "BTC." The front-month contract traded at $19,480 at 8:30 a.m. HK/SIN. Spot prices were down around 1.6 percent on the day at $18,781.39, according to the CoinDesk index. That came on the .