http://www.cboeoptionshub.com/2016/07/24/weekend-review-vix-futures-options-7182016-7222016/

http://www.chicagobusiness.com/article/20160725/NEWS01/160729910/etrade-to-buy-optionshouse-from-general-atlantic

http://tickertape.tdameritrade.com/options/2016/07/call-option-substitute-stock-44154

http://www.investing.com/analysis/vix-low-level-200143666

http://tradinggods.net/trading-gods-blog/sp-500-sets-new-time-high/

http://www.cboeoptionshub.com/2016/07/21/earnings-next-week-725-729/

http://marketsmedia.com/cta-sets-sip-latency-goal-50ms-2017/

http://www.investing.com/news/stock-market-news/stock-futures-edge-up-a-day-after-dow-snaps-winning-streak-416029

http://www.valuewalk.com/2016/07/hedge-funds-not-dying/

http://www.ejinsight.com/20160722-watch-out-for-overheating-signal-from-volatility-index/

http://tradinggods.net/trading-gods-blog/vix-daily-update-volatility-rises-first-time-week/

http://blogs.wsj.com/moneybeat/2016/07/21/options-traders-see-big-move-coming-for-chipotle-shares/