According to data from Skew, the daily cumulative trading volume of Ethereum futures is very close to its all-time high on May 17, 2019. It is reported that the cumulative daily trading volume of Ethereum futures on May 17, 2019 was 5.45 billion US dollars. On February 27, the cumulative trading volume of Ethereum futures was $ 5.2 billion. Huobi has the highest transaction volume, at $ 1.9 billion. OKEx followed, with trading volume of $ 1.3 billion. Despite the increase in trading volume, open positions have been falling since February 25.