Nav is once in a generation type of a trader. He was a superstar and they are very rare. Tom Dante was interviewed on chat with traders, you can find it on YouTube; he is no Nav.
25k round-trip lots were done back when markets were much less fragmented, had much more velocity, a lot less HFT nuisance, far more retail traders, very few dark pools and when props were dime a dozen, its not today's reality.
25k round-trip lots were done back when markets were much less fragmented, had much more velocity, a lot less HFT nuisance, far more retail traders, very few dark pools and when props were dime a dozen, its not today's reality.