What is the best ETF to hold long term between SPY and VOO? Over the long term VOO slightly outperforms SPY by an average of 0.01% a year based on management expenses, yield, and likely the timing of how they track the underlying S&P 500 index when it changes holdings. VOO would be the best choice for buy and hold investors. 

SPY vs VOO Expense Ratio

SPY ETF expense ratio is 0.09% and VOO has a 0.04% expense ratio as VOO charges less for management fees.

SPY vs VOO Dividend

SPY yields 1.30%, while VOO yields 1.34%, this slight yield variance is due mostly to the different expense ratios.

SPY vs VOO Liquidity

SPY trades an average of 108 million shares a day and VOO trades an average of 7.1 million, so SPY is a clear choice for traders for liquidity.

SPY is also the right choice for options traders as the SPY option chain has much tighter bid/ask spreads due to liquidity and higher open interest.[1][2]

SPY vs VOO ETF

In this return data portfolio is SPY versus VOO.

SPY vs VOO

SPY vs VOO Performance

SPY vs VOO

SPY historical returns

VOO has outperformed SPY by +3.6% in total returns since VOO’s inception date on 09-07-2010.

Performance data courtesy of ETFreplay.com.