BitMEX firmly leads the market when it comes to Bitcoin futures OI, with Binance in second place, according to new data from Bybit.
Source: https://cointelegraph.com/news/bitmex-binance-top-exchange-open-interest-in-new-btc-futures-rankings
BitMEX, Binance Top Exchange Open Interest in New BTC Futures Rankings
May 19, 2020
CoinTelegraph