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

http://www.standardtrib.com/target-corporation-could-rise-a-lot-according-to-the-todays-call-option-activity.html

http://www.reuters.com/article/us-lse-m-a-ice-sprecher-idUSKCN0W40C9

http://www.bloomberg.com/news/articles/2016-03-01/lse-deutsche-boerse-said-to-do-street-sweep-to-hinder-rivals

http://www.financemagnates.com/institutional-forex/exchanges/february-trading-volume-down-10-at-cboe-over-january/

http://www.bloomberg.com/news/articles/2016-03-02/u-s-futures-rise-with-global-stocks-amid-super-tuesday-results

http://www.financemagnates.com/institutional-forex/exchanges/cboe-to-launch-new-exotic-index-options-eyes-hedgers/

http://www.bloomberg.com/news/articles/2016-03-01/u-s-index-futures-signal-equities-to-rebound-after-monthly-drop

http://www.cboeoptionshub.com/2016/03/01/cboe-holdings-president-and-coo-edward-provost-on-exchanges-new-initiatives/