http://blogs.barrons.com/focusonfunds/2015/08/25/eager-volatility-shorts-were-crushed-as-stocks-rebound-fizzled/

http://www.valuewalk.com/2015/08/vix-soars/

http://www.chicagotribune.com/news/sns-wp-blm-news-bc-markets25-20150825-story.html

http://www.cboeoptionshub.com/2015/08/25/around-the-clock-trading-of-vix-and-spx-soars-in-recent-days/

http://www.4-traders.com/news/Stocks-Tumble-at-Close-Dashing-Earlier-Rebound–20925639/

http://www.marketwatch.com/story/get-use-to-it-volatility-is-here-to-stay-after-china-2015-08-25

http://www.bloomberg.com/news/articles/2015-08-25/wildest-stocks-since-2011-meant-liquidity-void-in-u-s-options

http://www.reuters.com/article/2015/08/24/markets-derivatives-cds-idUSL1N10Z15920150824

http://www.barrons.com/articles/china-meltdown-creates-enticing-options-trades-1440463205

http://www.thefiscaltimes.com/latestnews/2015/08/24/Wall-Street-slump-highlights-liquidity-crunch-US-options-market

http://www.bloomberg.com/news/articles/2015-08-25/awakening-to-future-without-fed-s-p-500-lurches-into-correction

http://www.bloomberg.com/news/articles/2015-08-25/was-this-a-flash-crash-and-other-questions-about-monday-s-swoon