"Amundi Bloomberg Equal-weight Commodity ex-Agriculture UCITS ETF Acc" is an exchange-traded investment fund (ETF). It refers to the Bloomberg Energy and Metals Equal Weighted Index. This index reflects the development of securities . The ETF replicates its index using synthetic replication, so the index performance is realized using a swap contract. The ETF's earnings are automatically reinvested (accumulated). The fund company Amundi claims a total expense ratio (TER) of 0.30% per year. The yearly average divergence from the index performance (Tracking Difference) since 2011 was 0.67% per year. Therefore, the ETF was more expensive than the TER suggests.