Exchange traded funds (ETFs) that invest in silver are leading the pack in commodities this year as the metal hits 31-year highs.

Bespoke Investment Group reports the year-to-date performance of ten key commodities.

Silver is up the most so far in 2011 with a gain of 26.9%. Corn ranks second with a gain of 20.9%, followed by oil (18.3%) and coffee (11.8%).

Gold and platinum are both in positive territory for the year but not by much. Gold is up 2.2% YTD while platinum is up 1.4%.

Investors who want to play the bullish silver move can consider the iShares Silver Trust ETF (NYSEArca: SLV).

Or if you prefer corn, the Teucrium Corn ETF (NYSEArca: CORN) has a 17.5% YTD return.

The iPath DJ-UBS Coffee Sub-Index ETN (NYSEArca: JO) gained 11.7% YTD.

Investors with the gold bug can look at SPDR Gold Trust ETF (NYSEArca: GLD). If platinum is your thing, the ETFS Physical Platinum Shares ETF NYSEArca: PPLT) has gained 1% YTD.

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