http://online.barrons.com/article/SB50001424053111904034104578064642201975424.html?mod=BOL_options_home

http://blogs.barrons.com/focusonfunds/2012/10/18/vix-bets-looking-cheap-not-by-this-measure/?mod=BOLBlog

https://theoptionsinsider.com/unusualactivity/?p=100002081&qcABC=1

http://online.wsj.com/article/SB10000872396390444734804578064252081257718.html

http://www.bloomberg.com/news/2012-10-18/goldman-ex-employee-says-firm-pushed-europe-bank-options.html

http://community.nasdaq.com/News/2012-10/what-volatility-tells-us-about-your-investments.aspx?storyid=182186#.UH_9C4bUmHg

http://dealbook.nytimes.com/2012/10/17/regulators-propose-capital-rules-for-derivatives-trading/

http://dealbook.nytimes.com/2012/10/17/s-e-c-accuses-hedge-fund-of-lying-about-performance/

http://www.investorguide.com/article/11178/helpful-call-options-strategies-for-retail-investors/

http://www.investorguide.com/article/11176/what-determines-the-price-of-a-stock-option/

http://www.investorguide.com/article/11179/when-used-wisely-derivatives-are-useful-tools-for-investors/

http://www.marketoracle.co.uk/Article37054.html