In general, a Z-score of -3.0 to 3.0 suggests that a stock is trading within three standard deviations of its mean. Traders have developed many methods that use z-score to identify correlations ...

A backtest shows that using a composite Z-score, based on PC ... Let us have a look at more detailed statistics in the below table. The annualized return for the top decile has been around ...

In 2012, he released an updated version called the Altman Z-score Plus that one can use to evaluate public and private companies, manufacturing and non-manufacturing companies, and U.S. and non-U ...