Explore TQQQ for FREE on ETFdb. Due to the compounding of daily returns, holding periods of greater than one day can result in returns that are significantly different than the target return and. TQQQ Factset Analytics Insight As a levered product, TQQQ is not a buy-and-hold ETF; it's a very short-term tactical instrument. The Nasdaq 100 Index is composed mainly of technology companies and excludes most financial stocks. TQQQ: ProShares UltraPro QQQ - Fund Holdings.