F score missing values

F score missing values = Shows you how many of the 9 Piotroski F-Score values could not be calculated.

For example, if the Piotroski F-Score = 6 and the F score missing values = 3 it means 3 of the 9 Piotroski F-Score components could not be calculated because the data was not available.

If a component of the Piotroski F-Score cannot be calculated a 0 value is entered for that component.