HYHG was created on 2013-05-21 by ProShares. The fund's investment portfolio concentrates primarily on high yield fixed income. The ETF currently has 166.28m in AUM and 233 holdings. HYHG tracks a market-value-weighted index that goes long high-yield USD debt from US and Canadian issuers and shorts a duration-matched combination of 2-, 5- and 10-year US Treasurys.