International Securities Exchange

www.iseoptions.com  

North American Securities Administrators Association

www.nasaa.org  

New York Stock Exchange

www.nyse.com  

Chicago Board Options Exchange

www.cboe.com  

Chicago Stock Exchange

www.chicagostockex.com  

The Nasdaq Stock Market

www.nasdaq.com  

Securities Industry Association

www.sia.com  

FINRA

www.finra.org

United States Securities & Exchange Commission

www.sec.gov