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The symbol for ProShares UltraPro QQQ in NASDAQ is: TQQQ.
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As of July 2014, the market cap for ProShares UltraPro QQQ (TQQQ) is $634,557,000.00.
NASDAQ 100 Trust (ticker).
As of July 2014, the market cap for ProShares UltraPro Short QQQ (SQQQ) is $351,897,000.00.
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The ticker symbol QQQQ was used for an exchange-traded fund (ETF) called the PowerShares QQQ Trust. In 2011, the Nasdaq Stock Market changed the ticker symbol for the ETF to QQQ to align with the common name for the fund, which represents the Nasdaq-100 Index. So, QQQQ was simply changed to QQQ.
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