Fireball, any comment on whether we will have a change of reference exchange for final settlement? I guess Gox is still in the lead for August and probably September, but it's conceivable that Bitstamp could take over as the benchmark in the coming months.
well on the page it say the bigger exchange by volume so just click this link from time to time
http://bitcoinity.org/markets/list?currency=ALL&span=30d