"iShares EUR Aggregate Bond ESG UCITS ETF" is an exchange-traded investment fund (ETF). It refers to the Bloomberg MSCI Euro Aggregate Sustainable and Green Bond SRI Index. This index reflects the development of securities . The ETF replicates its index using physical replication with sampling, so it contains the most important securities of its reference index. The ETF's earnings are distributed to the investors. The fund company iShares claims a total expense ratio (TER) of 0.16% per year. The yearly average divergence from the index performance (Tracking Difference) since 2010 was 0.18% per year. Therefore, the ETF was slightly more expensive than the TER suggests.