http://www.seeitmarket.com/is-the-vix-screaming-lower-lows-ahead-for-stocks-14871/

http://www.bloomberg.com/news/articles/2015-10-14/volatility-traders-have-a-big-problem-themselves

http://www.valuewalk.com/2015/10/august-24th-crash-derivatives/

http://www.cboeoptionshub.com/2015/10/13/some-room-to-run-higher-weekly-market-outlook/

http://marketsmedia.com/market-volatility-boosts-options-volume/

http://www.bloomberg.com/news/articles/2015-10-13/piling-into-ubs-bearish-options-yesterday-proved-well-timed-bet

http://www.nytimes.com/2015/10/14/business/dealbook/as-some-hedge-funds-sink-the-challenge-buoys-others.html?_r=0

http://www.investing.com/analysis/spy-put-call-ratio-moves-sideways-268026

http://www.bloomberg.com/news/articles/2015-10-14/active-managers-catch-break-as-u-s-stock-correlations-collapse

http://www.bloomberg.com/news/articles/2015-10-13/vix-charts-show-how-unsettled-the-u-s-stock-market-still-is

http://www.wsj.com/articles/moneybeat-markets-volatility-evaporates-1444767358

http://www.tradersmagazine.com/news/regulation/chinese-exchanges-plan-to-watch-hft-more-closely-114520-1.html