"iShares USD Government Bond 1-3 UCITS ETF (Acc)" is an exchange-traded investment fund (ETF). It refers to the ICE US Treasury 1-3 Year Index. This index reflects the development of US American government bonds . 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 (interest payments) are automatically reinvested (accumulated). The fund company iShares claims a total expense ratio (TER) of 0.20% per year. The yearly average divergence from the index performance (Tracking Difference) since 2010 was 0.17% per year. Therefore, the ETF was slightly less expensive than the TER suggests.