Fidelity Fundamental Large Cap Growth ETF (FFLG) is a ETF from Fidelity Investments (US) and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year FFLG returned +21.16% while VOO returned +23.65%. Year to date, FFLG is up 11.37% versus a gain of 13.53% for VOO.

Over three years, FFLG compounded at +24.53% per year against +21.27% for VOO; over five years the annualized figures are +9.93% and +13.52% respectively. Across the full 6-year window we track, VOO has the edge at +13.57% annualized vs +9.81%. Past performance does not guarantee future results.

FFLG has been the more volatile fund, with annualized monthly volatility of 22.3% compared with 14.1% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.

The deepest peak-to-trough decline in our data was -44.6% for FFLG and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.

The two funds' monthly returns correlate at 0.89. They usually move together, but the gap leaves some room for diversification.

FFLG charges 0.38% per year while VOO charges 0.03%. On a $10,000 position that is $38 vs $3 annually, a gap of $35 per year that compounds over a long holding period. On income, FFLG currently yields 0.13% against 1.09% for VOO.