NASDAQ OMX BX (NQBX)—FORMERLY BOSTON STOCK EXCHANGE
The NASDAQ OMX Group (parent company of the original NASDAQ electronic exchange) acquired the Boston Stock Exchange and decided to rebrand it with the excessively convoluted title NASDAQ OMX BX, as its official full-form name. For short, you will often see this ECN on a Level 2 quote as “NQBX” and it will show up on the consolidated tape as the refreshingly intuitive letter code of B.
For most of the past few years, NQBX is the NASDAQ OMX Group's answer to EDGA as it offers the inverted maker-taker pricing model. Whether this will continue or will change as its competitors have in recent years remains to be seen. In either case, its parent company will need to retain some unique feature on this system to justify its existence alongside their other ECN systems, which all operate on the same markets.
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