About ProShares UltraShort Dow30

DXD is designed to deliver -2x daily performance of the 30 US large-caps in the DJIA, weighted by price. As with any fund tracking the popular but dated DJIA, it's important to remember that it's not tracking a particularly robust representation of the larger US equity market. This is inverted, geared exposure to an index with arbitrary sector biases and antiquated weighting. Anyone holding DXD...