BOSX = BSE specialist account (BSE = Boston Stock Exchange) I beleive this is the same exchange as the options BOX is.
r u sure? i see both of them on esig MKT depth... i haven't looked at T&S to see where BRUT & BOSX trades were printing...
Yes - quotes and prints are different. Brut quotes still in SuMo and Brut and BOSX quotes are different. However, all BOSX prints to the tape are BRUT