The Z-score value strategy has historically provided more stable and better behaved value portfolios compared to those based on a single factor, both for long-only and long-short investing styles.

For example, some investors use a z-score range of -3.0 to 3.0 because 99.7% of normally distributed data falls in this range, while others might use -1.5 to 1.5 because they prefer scores closer ...

Using the Capitaline database, we filtered stocks that have least Z-score amongst the NSE 500 companies (excluding companies from banking, finance and insurance segments) based on the financial ...