QQQM has delivered an annualized compound growth rate of approximately 15.2% over the past 15 years, outpacing SPY’s 10.8% during the same period. This outperformance is driven by its 65% allocation to the Information Technology sector, where leading mega-cap names have consistently reported double-digit revenue gains and robust free-cash-flow growth. For investors with a 10–15+ year horizon, reinvested dividends and capital appreciation in QQQM have historically translated to a 2.3x increase in portfolio value, compared to a 1.8x increase for a similar SPY allocation.

While QQQM has delivered superior returns, its standard deviation of 18.5% exceeds SPY’s 12.3%, resulting in deeper drawdowns during market stress. Over the last two major corrections, QQQM fell a peak-to-trough 34% in 2022 and 28% in 2018, compared to SPY’s respective declines of 24% and 19%. Investors nearing retirement or with lower risk tolerance may find SPY’s broader sector diversification—capping Technology exposure at around 28%—provides better downside mitigation, as evidenced by its smaller maximum drawdown and steadier year-over-year return profile.