http://www.benzinga.com/analyst-ratings/analyst-color/15/12/6033094/cboe-a-lean-mean-vix-machine-rbc-starts-at-outperform

http://www.streetinsider.com/Commodities/CME+Group+%28CME%29+Sees+Record+WTI+Futures+and+Options+Trading+Volume/11140367.html

http://www.nytimes.com/2015/12/08/business/dealbook/spoofing-case-shows-fine-line-between-fair-and-fraud.html?_r=0

http://www.financemagnates.com/institutional-forex/exchanges/us-listed-options-trading-volumes-down-for-third-month-in-november/

http://www.chicagotribune.com/news/sns-wp-blm-yahoo-mayer-58861db6-9e63-11e5-9ad2-568d814bbf3b-20151209-story.html

http://www.wallstreetdaily.com/2015/12/09/theta-options-trading/

http://www.bloomberg.com/news/articles/2015-12-09/who-s-the-bear-driving-up-the-price-of-u-s-stock-options-banks

http://www.reuters.com/article/euronext-fine-idUSL3N13X2ND20151208#23GGuqTLzZjRBcQf.97

http://leaprate.com/2015/12/cboe-options-institute-at-sgx-officially-commences-operations/

http://www.reuters.com/article/us-metals-base-morgan-stanley-idUSKBN0TR28420151209#7l5M7QJKR19sBpqe.97

http://www.articlebasis.com/stocks/options-mlp-option-implied-volatility-is-elevated-as-shares-trend-lower-nysekmi-19980.html

http://investorplace.com/2015/12/lulu-stock-lululemon-earnings-trade/#.Vmb4EL8m_nY