FII Holding Change – 6M is calculated as the difference between the current FII ownership percentage and the percentage 6 months ago. Suppose, FIIs held 7% stake in the company 6 months ago and currently they hold 12.5%, the ownership change percentage is (12.5 – 7) = 5.5%.
A drastic increase or decrease in FII ownership percentage is a signal of potential change in the fortunes of the company.