you see a quote for say 500 bid a few pennies below the highest bid on the NYSE. you go to hit, and somehow it cancels and you get a "not there" error message (using laser at Genesis) and the bid disappears. talking about fairly illiquid stocks.
anyone else finding this? happens a few times a day to me it seems. posting quotes, than not honoring them is not legal. how is it detecting my order and cancelling? the fill should be instantaneous as i'm using arca to cross with arca
anyone else finding this? happens a few times a day to me it seems. posting quotes, than not honoring them is not legal. how is it detecting my order and cancelling? the fill should be instantaneous as i'm using arca to cross with arca

).