Internalizers (Citadel) are the beneficiaries - as well as those competing for the top of the queue on every price shift. It would disappear quickly if it were

Internalizers (Citadel) are the beneficiaries - as well as those competing for the top of the queue on every price shift. It would disappear quickly if it were just a bug. Then of course, is that phone conversation I had where it was explained to me (see above)