"Amundi EURO STOXX 50 Daily (-2x) Inverse UCITS ETF Acc" is an exchange-traded investment fund (ETF). It refers to the EURO STOXX 50 Double Short Index. This index reflects the development of European stocks . The ETF replicates its index using synthetic replication, so the index performance is realized using a swap contract. The ETF's earnings (dividends) are automatically reinvested (accumulated). The fund company Amundi claims a total expense ratio (TER) of 0.60% per year.