Here are the best defensive stocks with low correlation to SPY. One investment strategy with the potential to outperform over long periods is buying stocks that have a low correlation coefficient ...

Learn everything you need to know about iShares MSCI USA Equal Weighted ETF (EUSA) and how it ranks compared to other funds. Research performance, expense ratio, holdings, and volatility to see if ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Abstract: Time-varying covariance is an important metric to measure the statistical dependence between non-stationary biological processes. Time-varying covariance is conventionally estimated from ...

Abstract: In this paper, the focus is on subsampling as well as reconstructing the second-order statistics of signals residing on nodes of arbitrary undirected graphs. Second-order stationary graph ...