http://www.bloomberg.com/news/2014-03-03/vix-traders-bet-on-rising-volatility-after-year-of-calm-options.html

http://www.reuters.com/article/2014/02/27/us-bitcoin-mtgox-idUSBREA1Q1YK20140227

https://theoptionsinsider.com/tradingtechnology/?p=100031722&qcABC=1

http://www.ifre.com/options-trading-error-heightens-clearing-fears/21133903.article

http://www.cboeoptionshub.com/2014/02/28/vxst-weeked-effect/

http://www.investmentnews.com/article/20140227/FREE/140229881#

http://www.ifre.com/derivatives-cme-expands-european-otc-clearing-effort/21134249.article

http://finance.yahoo.com/news/mt-gox-files-bankruptcy-protection-094811743.html

http://www.nasdaq.com/article/how-time-decay-in-options-can-be-your-best-friend-know-your-options-cm330761

http://seekingalpha.com/article/2056153-to-trade-a-volatility-etp-or-not-to-trade-a-volatility-etp?source=cc

http://www.bloomberg.com/news/2014-02-28/bitcoin-derivatives-sprout-as-regulators-play-catch-up.html

http://blogs.wsj.com/moneybeat/2014/02/27/yellen-on-bitcoin-fed-doesnt-have-authority-to-regulate-it-in-any-way/