Long-term soybean price charts are available on Futures.TradingCharts.com, FuturesBuzz.com and Nasdaq.com, as of 2015. Long-term soybean price and markets charts are available from the USDA Economic Research Service at ERS.USDA.gov.
TradingCharts.com is a source for futures and commodity price charts. The website tracks updated market information and makes it available in free charts and commodity quotes. FuturesBuzz.com is a futures and commodities information portal for traders and investors. It provides market prices, charts and research reports.
Nasdaq.com provides updated price charts for a number of grain commodities that include soybeans, soybean meal and soybean oil. The website also provides updated articles involving soybean and other commodities.