Markets and PricesThe half a trillion dollar cryptocurrency market is for the taking and savvy market makers are not going to give up positions easily Cboe was the first futures market for bitcoin launching last Sunday a full week ahead of its crosstown and much larger competitor CME Group Inc With the might and heft CME brings into the space on Monday Cboe is stealing a little of its thunder with TD Ameritrades announcement that it too will allow clients bitcoin futures on the same day