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

http://www.wisconsinagconnection.com/story-national.php?Id=732&yr=2016

http://www.fxstreet.com/analysis/know-your-options/2016/04/04/

http://www.bloomberg.com/news/articles/2016-04-04/treasuries-volatility-plunges-as-interest-rate-outlooks-converge

http://www.foxbusiness.com/markets/2016/04/04/tradeking-wins-options-insider-broker-madness.html

http://www.afr.com/markets/equity-markets/resilience-of-us-equities-blindsides-sophisticated-traders-20160404-gnydgp

http://www.bloomberg.com/news/articles/2016-04-04/smart-money-flunks-out-as-2-billion-of-vix-bets-come-asunder

http://www.cabot.net/editors/jacob-mintz/analysts-center/options-market-update-4-4-16

http://blogs.wsj.com/moneybeat/2016/04/04/options-investor-bets-tesla-rally-is-losing-its-charge/

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

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

http://www.marketwatch.com/story/the-debate-over-iex-goes-beyond-a-speed-bump-2016-04-01