Prices of soybean in Indore were down as investors stayed on the sidelines ahead of a report on global supply-demand. In Indore, the benchmark market for soybean, the commodity was sold at 3,625 rupees per 100 kg, down 10-15 rupees. Lower demand for meal in the domestic market is also seen weighing on prices. The October contract of soybean on NCDEX was down 0.3%.