VOO vs. SPY ETFs: What are the differences?

The major difference is that the cost of owning VOO is 0.03%, while SPY is 0.09℅. A closer look at the chart show a slight deviation when you increase the duration to about 5 years. I will advise you to get VOO because of the lower expense ratio, and most of the five years comparisons tend to favour VOO.

The main difference between VOO and SPY ETFs are in the expense ratios, where VOO costs 0.03%, while SPY is 0.09%. The expense ratio accounts for almost half of the total cost of owning an ETF, so this is a significant difference.

Another big difference between VOO and SPY ETFs is in their top five holdings. Together these five companies out of 500 make up nearly 20% of the fund's total assets. The allocations between the top five holdings are fairly different but nearly identical between funds.

While there are not many big differences between VOO and SPY, the major one is in the cost of funds while owning it. VOO is cheaper, and the cost is 0.03% while owning the fund. On the other hand, SPY is costs a little more with a charge of 0.09%. Both SPY AND VOO are among the biggest S&P 500 index funds.