QID ProShares UltraShort QQQ

NEW YORK, Oct. 30 /PRNewswire/ -- The American Stock Exchange(R) (Amex(R)) will launch trading in options on Wednesday, October 31, 2007 on the following Amex-listed exchange traded fund: -- UltraShort QQQ ProShares (AMEX:QID) UltraShort QQQ ProShares options will open with strike prices of 30 - 40 (1 pt increments) and position limits of 25,000,000 shares. The options will trade on the January expiration cycle. The specialist will be AGS/STR/OTA. UltraShort QQQ ProShares is an exchange traded fund incorporated in the USA. The Fund seeks daily investment results that correspond to twice (200%) the inverse (opposite) of the daily performance of the NASDAQ-100 Index. About the American Stock Exchange The American Stock Exchange(R) (Amex(R)) offers trading across a full range of equities, options and exchange traded funds (ETFs), including structured products and HOLDRS(SM). In addition to its role as a national equities market, the Amex is the pioneer of the ETF, responsible for bringing the first domestic product to market in 1993. Leading the industry in ETF listings, the Amex lists 362 ETFs to date. The Amex is also one of the largest options exchanges in the U.S., trading options on broad-based and sector indexes as well as domestic and foreign stocks. For more information, please visit www.amex.com. DATASOURCE: American Stock Exchange CONTACT: Catherine Chantharaj, American Stock Exchange, +1-212-306-1689, Web site: http://www.amex.com/

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