score8Piotroski score 8 out of max score 9 stocks with market cap more than 500 K and positive EPS. by Dvjagadeesh. 65 results found: Showing page 1 of 3 Industry Export Edit Columns S.No.Related Standard Deviation . What is z-score? The z-score, also referred to as standard score, z-value, and normal score, among other things, is a dimensionless quantity that is used