The third-largest stock exchange by trading volume in the United States. The AMEX is located in New York City and handles about 10% of all securities traded in the U.S. AMEX was a mutual organization, owned by its members. Until 1953 it was known as the New York Curb Exchange. On January 17, 2008 NYSE Euronext announced it would acquire the American Stock Exchange. The exchange's normal trading sessions are from 9:30am to 4:00pm on all days of the week except Saturdays, Sundays and holidays declared by the Exchange in advance.
Naked options trading is very risky - many people lose money trading them. It is recommended contacting your broker or investment professional to find out about trading risk and margin requirements before getting involved into trading uncovered options.