http://www.cnbc.com/id/49641134

http://www.chicagotribune.com/business/breaking/chi-cboe-3q-earnings-drop-16-on-trading-decline-20121101,0,7631534.story

http://www.finextra.com/News/Fullstory.aspx?newsitemid=24239

http://www.thetradenews.com/newsarticle.aspx?id=9935

http://www.bloomberg.com/news/2012-10-31/swap-trading-rules-won-t-be-finished-by-november-o-malia-says.html

http://www.zerohedge.com/news/2012-10-31/netflix-shorts-netflixed-icahn-announces-10-stake

http://www.automatedtrader.net/headlines/141712/birth-of-a-market-as-dodd_frank-takes-hold–swaps-futures-are-in–the-limelight

http://marketplayground.com/2012/10/31/option-trades-at-bull-market-tipping-point/

http://wallstreetsectorselector.com/2012/10/frankenstorm-scares-vix-etfs-on-halloween/

http://www.reuters.com/article/2012/11/01/exchanges-results-cboe-idUSL1E8M11DP20121101

http://www.bloomberg.com/news/2012-10-31/knight-capital-shuts-down-trading-because-of-electrical-outage.html?cmpid=yhoo

https://theoptionsinsider.com/unusualactivity/?p=100002812&qcABC=1