With the performance calculator tool you may calculate the value and the performance of your ZEAL shares for a chosen period. For the calculation you may also include the dividends paid. (Assumption: reinvesting dividends at payment date.)

Please enter either the number of your ZEAL shares and the date of purchase. (The calculation is based on the Xetra closing price of the relevant date of purchase.)
or the amount of capital invested and the date of purchase