http://www.bloomberg.com/news/articles/2016-01-05/options-market-stalled-after-decade-long-surge-to-record-chart

http://www.bloomberg.com/news/articles/2016-01-05/looking-beyond-the-vix-shows-fever-in-u-s-stocks-seen-healing

http://www.marketwatch.com/story/wall-street-wary-of-high-frequency-trading-firms-fed-survey-2016-01-05?mod=mw_share_twitter

http://www.hedgeweek.com/2016/01/05/235182/cboe-consolidated-trading-volumes-totalled-11-billion-contracts-2015

http://finance.yahoo.com/news/wall-st-watchdog-homes-high-170832981.html

http://www.bloomberg.com/news/articles/2016-01-05/no-rebound-in-sight-for-s-p-500-as-futures-signal-further-drop

http://www.tradingfloor.com/posts/volatility-update-traders-transition-to-new-norms-6819997

https://theoptionsinsider.com/occ-announces-cleared-contract-volume-for-2015-3rd-highest-ever/

http://seekingalpha.com/article/3789596-aged-bull-market-faces-tough-test-to-kick-off-2016

http://www.bloomberg.com/news/articles/2016-01-05/the-bull-case-on-a-400-point-plunge-vix-tame-as-u-s-losses-ebb

http://www.cboeoptionshub.com/2016/01/04/19243/

http://www.financemagnates.com/institutional-forex/exchanges/cme-groups-fx-volumes-move-higher-in-december-as-2015-ends-on-positive-note/