OKEX top #1 $BTCUSD contract holder has increased their position by 18,051 contracts
— WhaleCalls (@whalecalls) February 15, 2018
OKEX top #8 $BTCUSD contract holder has increased their position by 16,081 contracts
OKEX top #9 $BTCUSD contract holder has increased their position by 10,815 contr pic.twitter.com/FEur9XIjCN