http://www.bloomberg.com/news/articles/2015-04-13/it-s-getting-expensive-to-be-a-bear-as-u-s-rules-pinch-options

http://www.chicagobusiness.com/article/20150411/ISSUE01/150419974/scary-numbers-at-cboe

http://finance.yahoo.com/news/video-flash-move-haunts-bond-230011481.html;_ylt=A0LEViYhtCtVB_IAOWsnnIlQ

http://marketsmedia.com/options-traders-face-liquidity-pinch/?utm_content=buffer7bfca&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer

http://finance.yahoo.com/news/wall-street-eyes-dollar-strength-113700135.html

http://www.bloomberg.com/news/articles/2015-04-09/jefferies-to-sell-most-of-its-bache-futures-activities-to-socgen

http://www.bloomberg.com/news/articles/2015-04-10/india-vix-set-for-biggest-weekly-gain-in-10-weeks-before-results

http://www.valuewalk.com/2015/04/analysis-its-crazy-banks-dont-have-insight-into-their-derivatives-risk/

http://www.reuters.com/article/2015/04/08/us-perrigocompany-m-a-mylan-options-idUSKBN0MZ25G20150408

http://www.bizjournals.com/kansascity/news/2015/04/07/bats-sets-monthly-records-for-options-european.html

http://www.bloomberg.com/news/articles/2015-04-09/pound-gains-versus-euro-as-boe-rates-seen-on-hold-into-election

http://www.chicagotribune.com/news/sns-wp-blm-news-bc-markets09-20150409-story.html