For example, the ProShares UltraShort Gold ETF( GLL ) bets against gold, rising or falling at twice the rate in the opposite direction of the yellow metal. Or accept higher interest rates on any future bond offerings, which would likely lead to the rising inflation that many gold bugs expect. Unrest in the Korean Peninsula, along with economic concerns in Europe, are pushing up gold prices, decoupling the trade from the long-standing inflation fears.