http://www.bloomberg.com/news/2015-01-21/goldman-sachs-says-u-s-equity-volatility-poised-to-fall.html

http://www.bloomberg.com/politics/articles/2015-01-21/obama-pledges-to-veto-measures-weakening-dodd-frank-finance-law

http://www.automatedtrader.net/blogs/optionscity_software_inc/152995/cboe-reports-record-trading-volume–new-fx-volatility-indexes

http://www.bloomberg.com/news/2015-01-21/india-put-option-hedges-reach-1-year-high-with-stocks-at-record.html

http://www.reuters.com/article/2015/01/21/markets-china-debt-idUSL3N0UR2D720150121

http://www.wallstreetdaily.com/2015/01/21/sp-500-realized-volatility/

https://theoptionsinsider.com/oic-announces-sullivan-award-recipient/

http://dealbook.nytimes.com/2015/01/20/rival-suitor-for-new-york-clearinghouse-raises-bid/?_r=2

http://blogs.wsj.com/moneybeat/2015/01/20/options-traders-bet-on-another-big-move-from-netflix/

http://www.marketwatch.com/story/cme-group-again-raises-bid-for-broker-dealer-gfi-2015-01-20-10103821?siteid=yhoof2

http://www.bloomberg.com/news/2015-01-20/jpmorgan-spars-with-cme-over-375-million.html

http://www.scmp.com/business/money/article/1682484/shanghais-option-market-launch-shadowed-regulatory-probes-brokerage