http://www.tradersmagazine.com/news/pfof-market-making-payment-110556-1.html

http://blogs.wsj.com/marketbeat/2012/12/03/high-frequency-trading-arms-race-has-plenty-of-drawbacks/

http://blogs.wsj.com/marketbeat/2012/12/04/vix-trading-volume-sets-another-record/?mod=yahoo_hs

http://www.bloomberg.com/news/2012-12-04/exchanges-to-ask-sec-to-delay-deadline-for-audit-trail-program.html?cmpid=yhoo

http://www.bizjournals.com/cincinnati/blog/2012/12/option-traders-betting-fifth-third.html

http://www.automatedtrader.net/news/exchange-news/141858/eurex-exchange-launches-derivatives-trading-system

http://in.reuters.com/article/2012/12/03/us-cftc-fine-mbfclearing-idINBRE8B21CJ20121203

http://www.tradersmagazine.com/news/boyle-is-back-at-box-110596-1.html

http://www.businessweek.com/news/2012-12-03/box-options-exchange-hires-ex-getco-executive-ed-boyle

http://www.minyanville.com/trading-and-investing/commodities/articles/Option-Trends-AK-Steel-and-US/12/3/2012/id/46315

http://www.businessweek.com/ap/2012-12-03/cme-completes-kansas-city-board-of-trade-deal

https://theoptionsinsider.com/industry/?p=100004474&qcABC=1