Current and historical prices, chart and data for the CBOT Soybean Oil Futures #1 (BO1) contract. Contracts use the following methodology to allow long term price comparisons: Front Month, Calendar-Weighted Adjusted Prices, Roll on First of Month, Continuous Contract History. CBOT Soybean futures (ticker symbol ZS) give you an easy, liquid tool to seek to profit from or hedge against price movements for one of the world’s most widely grown crops. Individuals traders, grain elevators, farmers, investors and commercial firms are among those around the world using this fully electronic contract to manage risk, seek rewards and/or diversify portfolios.