Vol. 5 page 23 “The Chicago, Pacific and PBW exchanges account for about 90% of all regional exchange volume.” Anyone knows what does PBW exchange refer? Phil; Boston and W- something?
Vol. 5 page 23 “The Chicago, Pacific and PBW exchanges account for about 90% of all regional exchange volume.” Anyone knows what does PBW exchange refer? Phil; Boston and W- something?