Investors poured $1,465 million into the top crypto funds, according to CoinShares, with ProShares capturing $1,237 million of the total, $1.45 billion of which went into bitcoin funds. Separately, according to the latest Commodity Futures Trading Commission (CFTC) weekly data released on Sunday, the number of bitcoin futures retail investors hold at the Chicago-based CME Group CME -0.3 percent as “open interest” – capital tied up in futures contracts – increased 95 percent from 2,631 to an all-time high of 5,136.