Quote from TraderZero:
I won't disagree that the present structure is unfair to the small trader, but not fair doesn't equal fraudulent and that was the post I was specifically responding to. There is nothing fraudulent going on. Unfair potentially, but fraudulent, no. There's no frontrunning going on either. If an order is public knowledge and I can get in front of it, I've done nothing wrong. The fact that you can't act faster isn't my, or anyone else's, fault.
The system is rigged against the small trader, not the small investor. Small investors are likely getting better fills than they otherwise would have through the use of IOI's and dark pools, they are clearly benefitting under the current system. Small traders, specifically small/independent traders that have historically made money by adding liquidity, are the one's being hurt.
That brings up the question, just how big a portion of the overall market are "small/independent traders". I would suspect that group makes up a very, very small overall portion of the market such that the groups benefiting from this HFT practice greatly outnumber the the group that is being hurt. But I will allow that my hypothesis is just that and subject to being proved wrong (which wouldn't upset me in the least).
That said, I do agree with you. Either allow sub-penny trade entries or don't, but don't have dual systems.