http://tickertape.tdameritrade.com/options/2016/02/synthetics-butterfly-spreads-68075

http://www.bloomberg.com/news/articles/2016-02-23/u-s-stock-index-futures-decline-on-renewed-concerns-over-china

http://www.cnbc.com/2016/02/23/the-big-bet-against-market-volatility.html

http://finance.yahoo.com/news/exchange-iex-now-no-2-182834973.html;_ylt=A0LEVu.Ta8xW7iUACwknnIlQ;_ylu=X3oDMTEybXViY2tqBGNvbG8DYmYxBHBvcwMxBHZ0aWQDQjE2MzhfMQRzZWMDc2M-

http://www.cboeoptionshub.com/2016/02/22/19771/

http://www.foxbusiness.com/markets/2016/02/22/playing-volatility-via-vix-has-little-downside-right-now.html

http://www.tradersmagazine.com/news/ecns_and_exchanges/bats-gets-go-ahead-to-police-manipulative-traders-faster-115029-1.html

http://blogs.wsj.com/moneybeat/2016/02/22/vix-futures-send-a-bullish-signal-for-stocks/

http://www.bloomberg.com/news/articles/2016-02-23/japanese-stocks-climb-after-u-s-shares-rebound-with-oil-prices

http://uk.reuters.com/article/oil-markets-volatility-idUKL3N1614YT