XLK vs QQQ. Both have similar holdings(heavy tech). XLK is much cheaper to own and also out-performs QQQ. Make sure to always do your research on what you are holding : r/HighCaliberInvesting
ETF Battles: QQQ vs. XLK, who wins?
TQQQ & QQQ ETF: If It's Exciting, You Did It Wrong (NASDAQ:QQQ)
XLK VS QQQ ETF COMPARISON WITH ETF INSIDER
What's the difference between XLK and QQQ? - Quora
QQQX Vs. QQQ: Income, Growth, Or Neither? (NASDAQ:QQQ)
QQQ vs. XLK: Which Top Tech ETF is Better?
What's the difference between XLK and QQQ? - Quora
XLK vs QQQ: are they RISKY?! #kennethsuna #investingforbeginners
QQQ vs. XLK: Which Top Tech ETF is Better?
What's the difference between XLK and QQQ? - Quora
XLK vs. QQQ - Which is Best For You? — HaiKhuu Trading
Is QQQ Still A Tech Growth ETF?
What's the difference between XLK and QQQ? - Quora
ETF Comparison: QQQ vs XLK