Prices of soybean in Indore were marginally up because of lower arrivals and gains in the global market. CBOT May soybean hit a one-year high of $10.5950 a bushel on Monday due to worries of persistent dry weather in Argentina, the largest exporter of soymeal and soyoil. India is one of the largest importer of soyoil from Argentina. The most active March contract on NCDEX was up 0.6%.