http://www.forexpros.com/analysis/vix-is-signaling-that-this-decline-has-some-legs-140958

http://online.wsj.com/article/SB10001424052970203400604578074963881803302.html#

http://seekingalpha.com/article/944171-an-options-approach-to-apple-s-earnings

http://seekingalpha.com/article/941931-comparing-diagonal-spreads-to-vertical-spreads-for-directional-trades

http://www.forbes.com/sites/jjkinahan/2012/10/23/the-trick-or-treat-of-trading-options/

http://www.reuters.com/article/2012/10/23/cme-swaps-idUSL1E8LNCU020121023

http://blogs.wsj.com/marketbeat/2012/10/23/vix-briefly-flirts-with-backwardation/

http://online.barrons.com/article/SB50001424052748704377904578074560910794562.html?mod=BOL_columnist_latest_col_art

http://www.efinancialnews.com/story/2012-10-23/cme-europe-target-asia-pacific-market?mod=sectionheadlines-IB-TT

http://online.wsj.com/article/SB10001424052970203630604578074473195468916.html?mod=googlenews_wsj#

http://blogs.wsj.com/eurocrisis/2012/10/23/where-has-the-volatility-gone/

http://seekingalpha.com/article/942041-apple-an-options-play-for-the-ipad-mini-earnings-news