http://www.business-standard.com/article/companies/cme-group-eyes-15-stake-in-mcx-116042100963_1.html

http://tickertape.tdameritrade.com/options/2016/04/volatility-skew-vix-70978

http://www.newyorker.com/business/currency/why-the-s-e-c-didnt-hit-goldman-sachs-harder

http://seekingalpha.com/article/3966691-intels-options-cheap

http://tickertape.tdameritrade.com/trading/2016/04/mean-reversion-volatility-14612

http://tradinggods.net/trading-gods-blog/vix-daily-update-volatility-hovers-near-2016-lows/

http://seekingalpha.com/article/3966700-chicago-board-options-exchange-recession-proof-company

http://marketsmedia.com/bats-ipo-boosts-exchange-competition/

http://www.cboeoptionshub.com/2016/04/20/continued-use-listed-options-permitted-final-dol-fiduciary-rules/

http://blogs.wsj.com/moneybeat/2016/04/20/where-has-all-the-volatility-gone-vix-hits-lowest-level-of-2016-2/

http://www.bloomberg.com/news/articles/2016-04-20/brexit-vote-would-be-a-risky-bet-for-u-k-s-future-u-s-says

http://www.insidefutures.com/article/1700983/Low%20Volatility%20in%20Equity%20Markets%20to%20Continue.html