You can also check out https://www.batstrading.com/market_volume.php
BATS managed to capture over 10% of the trading volume on NASDAQ-listed securities in January, so now they are trying to muscle in on the trade in...
These days it's pretty rare to see the large firms actually use their market maker identification on listed stocks. Typically, the market makers...
Trader28Lite is right and UncleJ brings up an important point. I can't prove this, but I believe it to be true. A lot of plays on the index...
Some of the movement on the mini contract, at least while the big contract is trading live, is motivated by arbitrage. Often locals will buy .20's...
Sign up for Arcavision. I think it's still free. They have a stock volume tool that breaks down a stock's trading volume by venue.
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