After doing a quick search of the Elitetrader's forums, I've been unable to find a thread dedicated to block trades. Would any of you post your favorite sites that will alert you to block trades going through? Thanks
if you click on www.tradetrek.com the second line with heading top features you will see pair trade then block trade, free trial, can't go wrong with that.
We of course use dedicated tickers for the stocks we trade, so we can see all block trades as they happen. If you want to filter for these trades, a good data provider should allow for that. On Neovest/First Alert you can scan for them...check with your data provider.