http://www.chicagobusiness.com/article/20160302/NEWS01/160309957/why-cme-would-want-to-buy-the-london-stock-exchange

http://www.bloomberg.com/news/articles/2016-03-03/lowest-volatility-of-volatility-since-may-is-warning-sign-chart

http://www.chicagotribune.com/news/sns-wp-blm-markets-8afffb86-e0c6-11e5-8c00-8aa03741dced-20160302-story.html

http://www.cboeoptionshub.com/2016/03/02/directional-options-trading-and-strategy-discussion-at-cboe-rmc/

http://www.hedgeweek.com/2016/03/02/237028/cboe-offer-flex-index-options-asian-and-cliquet-style-settlement

http://newyork.citybizlist.com/article/337700/optionmetrics-named-data-and-analytics-firm-of-the-year

https://theoptionsinsider.com/occ-announces-cleared-contract-volume-increased-february/

https://theoptionsinsider.com/february-2016-trading-volume-reported-cboe-holdings/

https://theoptionsinsider.com/february-2016-options-exchange-marketshare-review/

https://theoptionsinsider.com/february-business-activity-ise-holdings/

http://www.bloomberg.com/news/articles/2016-03-02/even-a-modest-oil-recovery-is-doubted-by-options-traders-chart

http://www.ft.com/intl/cms/s/0/1e43601e-da22-11e5-98fd-06d75973fe09.html#axzz41f9tKAlu