"WisdomTree Battery Solutions UCITS ETF – USD Acc" is an exchange-traded investment fund (ETF). It refers to the WisdomTree Battery Solutions Index. This index reflects the development of world wide stocks . The ETF replicates its index using full physical replication, so it contains all the securities of its reference index. The ETF's earnings (dividends) are automatically reinvested (accumulated). The fund company WisdomTree claims a total expense ratio (TER) of 0.40% per year. The yearly average divergence from the index performance (Tracking Difference) since 2021 was 0.36% per year. Therefore, the ETF was slightly less expensive than the TER suggests.