Identify correlated assets
Chart historical relationships

Correlation calculator

Correlation is a statistical measure of association between two variables. Understanding correlations between portfolio assets is useful to evaluate or build a diversified portfolio. Portfolio Lab allows rapid exploration of asset correlations between ETFs, stocks and mutual funds.


  • choice of monthly or daily returns correlations
  • color-coded portfolio correlation table
  • rolling correlations historical charts
  • time-weighted computation formula (exponentially weighted) which is superior to the equal-weight computation found in Excel and many other programs.