Commodities Futures Data
Chicago Board of Trade (CBOT) 2013. Available at: http://www.cmegroup.com/trading/agricultural/
Kansas City Board of Trade (KCBT) 2013. Available at: http://www.kcbt.com/historical_data.asp#wheat_futures
This dataset contains futures closing prices from the past 60 days. For full futures data going back to 2001, see the Agricultural Prices and Returns tools.