MT, there are many ways to trade QQQQ - Nasdaq-100 index buy QQQQ CALL or PUT options => <a href="http://finance.yahoo.com/q/op?s=QQQQ" target="_blank">http://finance.yahoo.com/q/op?s=QQQQ</a> or <a href='read_msg.asp?message_id=25958055'>#msg-25958055</a> Ultra ProShares QLD - QQQ®. (Double the NASDAQ-100 Index) or <a href='read_msg.asp?message_id=29389529'>#msg-29389529</a> UltraShort QID - (double Short QQQ® PROSHARES – 2X) or QLD/QID options => <a href="http://finance.yahoo.com/q/op?s=QID" target="_blank">http://finance.yahoo.com/q/op?s=QID</a> <img src=http://stockcharts.com/c-sc/sc?s=QQQQ&p=D&yr=0&mn=3&dy=0&i=p36396540965&r=4778><img src=http://stockcharts.com/c-sc/sc?s=QLD&p=D&yr=0&mn=3&dy=0&i=p36396540965&r=4778><img src=http://stockcharts.com/c-sc/sc?s=QID&p=D&yr=0&mn=3&dy=0&i=p36396540965&r=4778>