So investiert der Ossiam Serenity Euro UCITS ETF 1C EUR Acc: The Fund's objective is to replicate, after the Fund's fees and expenses, the performance of Solactive €STR +8.5 Daily Total Return Index closing level. The Solactive €STR +8.5 Daily Total Return Index reflects the performance of a deposit earning interest at the Euro short term rate (€STR), with the interest being reinvested in the deposit, daily, plus 8.5 basis points adjustment. The Solactive €STR +8.5 Daily Total Return Index is administered by Solactive AG and is calculated on any day that is (or, but for the occurrence of a market disruption event, would have been) a day (other than a Saturday or Sunday) that is not a holiday based on the Target 2 calendar. For a detailed description of the Index, see section "Description of the Index". The anticipated level of tracking error in normal market conditions is up to 0.50% over a one-year period.