ERF market makerThat market maker present a clear conflict of interest in order of execution because he trades against you. That m.m. display worstbid/ ask prices than what you woud get from another market maker or ECN.. Markets makers may also move their current quotes a few cents away from other market display.
Clearly ERF is favorizing hedge funds and go too far as making retail investors loose money and what would otherwise often be money making bids
Ian Barter always for retail investors