From etf express:
Bethesda, Maryland-based ProFunds Group, which specialises in short and leveraged mutual and exchange-traded funds, is launching the first US ETFs to provide short and leveraged exposure to gold and silver. The four new ETFs join a line-up of four other commodities ProShares ETFs launched last week on NYSE Arca.
The new ETS are Ultra Gold, UltraShort Gold, Ultra Silver and UltraShort Silver. They follow last week's launch of the Ultra DJ-AIG Commodity, UltraShort DJ-AIG Commodity, Ultra DJ-AIG Crude Oil UCD and UltraShort DJ-AIG Crude Oil ETFs, as well as four funds offering leveraged and short exposure to the euro and yen, Ultra Euro, UltraShort Euro, Ultra Yen and UltraShort Yen....MORE
...The ProShares UltraGold (NYSEArca: UGL) and UltraShort Gold (NYSEArca: GLL) will also take aim at the existing PowerShares DB ETNs. The expense differential is the same as in the earlier launch, with ProShares ETFs charging 95 basis points versus the PowerShares DB ETNs' 75 basis points.
Ultra Silver (NYSEArca: AGQ) and UltraShort Silver (NYSEArca: ZSL) come into a market that only has traditional long silver products: the iShares Silver Trust (NYSEArca: SLV), E-TRACS UBS Bloomberg CMCI Silver ETN (NYSEArca: USV) and PowerShares DB Silver ETF (NYSEArca: DBS)...