Each ETF is going to have its own average rate of return. For example, an index ETF that tracks the S&P; 500 will have a rate of return similar to the S&P; 500. This historically averages out to close to 10% per year. However, just like any stock or other investment, some returns are higher. For example, there are technology and other ETFs in specific industries with five-year returns exceeding 200%. In the end, however, past performance is no guarantee of future results and you might not see these types of returns on ETFs in the future. Carefully do your research before making any investment decision.