The Absolute Cheapest Way to Buy the S&P 500? FXAIX Might Be It.

Every conversation about the cheapest way to own the S&P 500 lands on the same few tickers from the major ETF sponsors. Rock-bottom expense ratios, deep liquidity, trades like a stock all day. Sitting outside that crowd is Fidelity 500 Index Fund (NASDAQ:FXAIX), a mutual fund rather than an ETF. For a particular kind of ... The Absolute Cheapest Way to Buy the S&P 500? FXAIX Might Be It.