INE, the exchange where CoFIF contracts are being traded, doubled the transaction fee for the second time during the last two weeks to 0.02% and cap the trading volume at 500 contracts per day, another attempt to cool the short-term trading activities. Each CoFIF contract is priced as Rmb50 x the SCFIS. So 500 CoFIF contract cap amount to about $2.7mn. Despite being halved, the liquidity remains very high after the new policies kicked in. The transaction fee started at 0.001% at CoFIF's launch