http://www.bloomberg.com/news/2014-10-28/bourse-link-guessing-game-fuels-hong-kong-stock-wagers-options.html

http://www.cboeoptionshub.com/2014/10/27/options-average-daily-volume-month-1-3-million-spx-1-million-vix/

http://in.reuters.com/article/2014/10/28/southkorea-exchange-cme-group-idINL4N0SN49A20141028

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