http://www.bloomberg.com/news/2014-10-27/bullish-brazil-etf-options-plunge-to-pennies-after-vote.html

http://www.benzinga.com/trading-ideas/previews/14/10/4953231/another-reason-to-keep-an-eye-on-options-during-earnings-season

http://blogs.barrons.com/techtraderdaily/2014/10/27/twitter-options-strategy-and-optimism-in-front-of-q3-report/?mod=tech

http://www.bloomberg.com/news/2014-10-26/record-bets-against-japan-stocks-tell-investors-it-s-time-to-buy.html

http://www.cboeoptionshub.com/2014/10/27/positive-momentum-overhead-resistance-valuations-weekly-market-outlook/

http://www.marketwatch.com/story/twitter-options-pricing-in-big-stock-move-2014-10-27

http://www.interactivebrokers.com/en/?f=5599&vid=4182

http://finance.yahoo.com/news/fx-traders-facebook-chats-said-125459647.html

http://online.barrons.com/articles/using-puts-and-calls-to-play-a-chaotic-stock-market-1414214079

http://www.msn.com/en-us/money/markets/stocks-rise-with-sandp-500-heading-for-best-week-since-2013/ar-BBaU6Sd

http://abcnews.go.com/Business/wireStory/market-jolt-reality-check-investors-26436343

http://www.ifre.com/swap-market-fears-cftc-deadline/21170528.article