Is VOO or VTI the Better Long-Term Investment? Here's What History Suggests.

Key Points The Vanguard S&P 500 ETF (VOO) and the Vanguard Total Stock Market ETF (VTI) have similar returns, volatility levels, and top holdings. VTI includes small-cap and mid-cap stocks to VOO's large-cap coverage. These smaller companies have traditionally produced lengthy periods of outperformance over the course of history. 10 stocks we like better than Vanguard Morningstar Total Stock Market ETF › For investors looking to build the core of their investment portfolios, there are two ETFs I'd consider first: the Vanguard S&P 500 ETF (NYSEMKT: VOO) and the Vanguard Total Stock Market ETF (NYSEMKT: VTI) . At a structural level, they look very similar. They're tremendously diversified, led by America's largest companies, and charge identical 0.