http://blogs.barrons.com/focusonfunds/2017/01/06/expect-2017-to-be-more-volatile-than-last-year/

http://www.marketwatch.com/story/looming-jobs-report-keeps-us-stock-futures-in-tight-ranges-2017-01-06?siteid=yhoof2

http://www.bloomberg.com/news/articles/2017-01-06/wall-street-is-starting-to-get-nervous-about-all-the-money-pouring-into-u-s-stocks

http://www.wsj.com/articles/tandem-moves-in-vix-and-stocks-flash-warning-1483653052

https://theoptionsinsider.com/options-exchange-marketshare-december-2016/

http://www.optionsclearing.com/about/newsroom/releases/2017/January-3-OCC-2016-Cleared-Contract-Volume-Fifth-Highest-Ever.jsp

http://www.optionsclearing.com/webapps/exchange-volume?reportType=D&instrumentType=both

http://www.thetradenews.com/Trading-Venues/Futures-to-see-greater-demand-off-the-back-of-volatile-2016/

http://www.zacks.com/stock/news/244598/cboe-holdings-december-volume-up-provides-q4-rpc-view

http://tradinggods.net/trading-gods-blog/vix-daily-update-volatility-holds-lower-ahead-nfp-report/

http://www.nasdaq.com/article/winning-with-option-volatility-cm730162

http://www.economist.com/news/finance-and-economics/21713854-market-now-mainly-electronicbut-still-booming-open-outcry-retreat