The 'VOO and Chill' Economy Is Now Worth A Historic $1 Trillion - State Street SPDR S&P 500 ETF Trust (AR

Industry experts view the achievement as further evidence that low-cost ETFs have become the default building blocks of modern portfolios, replacing many traditional mutual funds as investors’ preferred investment vehicle.VOO Vs. SPY: The Fee Advantage That Changed The ETF IndustryFor decades, SPY was synonymous with ETFs, and a proxy for the S&P 500 Index. As the first U.S.-listed ETF, it dominated the category and held the title of the world’s largest ETF for more than 30 years.VOO ultimately won investors over with a simple proposition: nearly identical exposure to the S&P 500 at a significantly lower cost.Key Differences

VOO assets: More than $1 trillion

SPY assets: Approximately $775 billion

VOO expense ratio: 0.03%

SPY expense ratio: 0.09%