ETFs to Watch Against this backdrop, investors may track S&P 500 ETFs like Vanguard S&P 500 ETF VOO, iShares Core S&P 500 ETF IVV and SPDR S&P 500 ETF SPY. Vanguard S&P 500 ETF (VOO): ETF Research Reports Heightened rising rate worries amid super-hawkish Fed cues, red-hot inflation, supply chain woes and the Russia-Ukraine war have dampened Wall Street this year.