Traditionally, an index takes multiple data points and combines them into a single statistical measure. You might have already heard of the Dow Jones Industrial Average (DJIA), a famous index that tracks the stock market. The DJIA is a price-weighted combination of 30 large companies listed on numerous stock exchanges in the U.S. Traders and investors can buy DJIA to get a combined exposure to these companies' stocks. The Crypto Fear and Greed Index is also a weighted measure of market d...