of future contracts. all kinds of contracts, derivatives contracts 20 million a day. going to surpass their rivals. >> shepard: adam, thanks. for context and perspective here the new york stock exchange in many ways mirrors that of our country there have been a few crashes but there have also been some incredible notes of progress through the years. it started in 1792. 24 brokers met under a button wood tree on wall street in lower manhattan. and they signed an agreement to trade securities. the locations moved around in the early days, but the name became permanent in 1863 when nw york stock and exchange board became simply the new york stock exchange. then four years later a development that expanded the world of investing. invention of a stock ticker. that allowed them to get current stock prices anywhere. combine that with the installation of the first telephones on the new york stock exchange a decade later and now any american with the means to buy or sell stocks could. the door swung open even further