http://www.bloomberg.com/news/2012-11-27/u-s-stock-options-with-biggest-changes-in-implied-volatility.html?cmpid=yhoo

http://online.barrons.com/article/SB50001424052748703711604578145110566707362.html?mod=BOL_options_home

http://newyork.newsday.com/business/technology/fb-facebook-options-slide-to-cheapest-levels-1.4263924?qr=1

http://www.hedgeweek.com/2012/11/27/176914/cftc-charges-irish-companies-intrade-and-ten-over-exchange-options-trading

http://www.tradersmagazine.com/news/trolling-big-data-to-find-rogue-trader-110566-1.html

http://www.thetradenews.com/newsarticle.aspx?id=6442450984

http://newsandinsight.thomsonreuters.com/Legal/News/2012/11_-_November/Global_regulators_to_hold_NY_meet_on_derivatives_rules/

http://en-maktoob.news.yahoo.com/precious-gold-dips-fed-comments-eyes-options-expiry-115721424–business.html

http://www.cnbc.com/id/49970084

http://blogs.wsj.com/marketbeat/2012/11/26/options-traders-betting-on-facebook-rally-to-continue/

http://finance.yahoo.com/news/cme-daily-options-volatility-report-022418841.html

http://www.businessweek.com/news/2012-11-26/cme-group-must-defend-price-settlement-suit-judge-rules