For people who want to grow their money over the long term and don’t mind a little day-to-day and year-to-year volatility, S&P 500 index funds are generally regarded as being good long-term investments. Investors must select a proxy investment because they cannot directly purchase the S&P 500 index.VOO and SPY are two of the most well-known of the several classic open-end and more contemporary exchange-traded funds that follow the performance of the S&P 500. However, given that both may often be bought and traded on a public exchange for no commission, the main difference between the two is caused by SPY’s higher expenditure ratio and VOO’s marginally better long-term performance.
This is the main reason why is spy more popular than voo