During bull runs, XLM and XRP often move in lockstep, albeit with lag, with a correlation coefficient typically over 0.70.

Recently, the 90-day correlation coefficient between bitcoin's 30-day implied volatility indices – Volmex's BVIV and ...

ETH’s correlation to the DXY has also returned to negative, while its volatility has declined 35%. BTC and ETH remain highly correlated, with a coefficient of 0.90.

In the above example, Apple and the S&P 500 have a correlation coefficient of 0.73817, which indicates a strong relationship between the two over 90 days of data.

A correlation of 0 demonstrates that the variables have no relationship. Correlation coefficients are frequently used in portfolio analysis and financial modelling.