It's has not been launched yet, according to some old replie, theywere planing to launch at the end of December, but there is no official date yet. For the volume, they are going to aggregate liquidity from 12 top cryptocurrency exchanges orders on their exchange, therefore the daily volume would decent even the platform is still new, however, I'm not sure if this feature would available with first week or it's feature that will added later after some period of time.