April 13, 2010
I am an active trader/investor. I've realized, over the past year that large brokerage houses are using high frequency trades to sub penny my orders. What happens is, they place thier order in front of mine in a dark pool where I can't see the order. They get the fill, and I don't, which has proven detrimental to my trading.
I would ask that you please consider eliminating sub pennying as a practice all together, and stick with the NBBO in one peny increments as it was intended when first initiated.