In the US, there is a very limited offer of inverse commodities funds. The most active issuer is PowerShares and now offers the following ETFs:...on this list bom goes up when copper goes down
- PowerShares DB Agriculture Double Short ETN (AGA)
- PowerShares DB Agriculture Short ETN (ADZ)
- PowerShares DB Base Metals Double Short ETN (BOM)
- PowerShares DB Base Metals Short ETN (BOS)
- PowerShares DB Crude Oil Double Short ETN (DTO)
- PowerShares DB Crude Oil Short ETN (SZO)
- PowerShares DB Gold Double Short ETN (DZZ)
- PowerShares DB Gold Short ETN (DGZ)
ProShares doesn't bring anything new and this is the latest offer.
- UltraShort DJ-AIG Commodity (CMD)
- UltraShort DJ-AIG Crude Oil (SCO)
- UltraShort Gold (GLL)
- UltraShort Silver (ZS
also this full list...link
http://www.etfsecurities.com/en/securities/etfs_securities.asp