A stong advance is evident when the 4wk>10wk>30 average and the stock continually climbs above the 4 wk average. It is clear from this chart that QQQ is now below the 4 wk average (red dotted line). If it closes the week below, it suggests to me that the recent up-trend is over for now.
Page 22 ProShares UltraPro QQQ Trade Ideas — NASDAQ:TQQQ — TradingView
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Blog Post: Day 41 of $QQQ short term up-trend, GMI declines to 4 (of 6); After 9 straight weeks above, $QQQ is now below its 4 wk average, see weekly chart
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Blog Post: $QQQ short term up-trend could end after 3 days and GMI could go back to Red after 2 days, 100% in cash, these charts tell the story