iShares Dow Jones-UBS Commodity Swap (DE) is an exchange traded fund (ETF) that aims to track the performance of the Dow Jones-UBS Commodity Index as closely as possible. The ETF tracks the index performance through the use of a total return swap. The Dow Jones-UBS Commodity Index offers exposure to 19 commodities, representing the following commodity sectors: energy, precious metals, industrial metals, livestock and agriculture. The weight of each sector is capped at 33% on the rebalancing day. The index reflects the return on a fully collateralised position in the futures contracts on physical commodities. iShares ETFs are funds managed by BlackRock. They are transparent, cost-efficient, liquid vehicles that trade on stock exchanges like normal securities. iShares ETFs offer flexible and easy access to a wide range of markets and asset classes.