Soybean prices rose by Rs 42 to Rs 3,721 per quintal in futures trade today on accumulation of bets backed by rising overseas trend. Marketmen said widening of bets by speculators in tune with upbeat overseas sentiment, supported the upside in soybean futures prices. At the NCDEX, soybean for delivery in June contracts shot up by Rs 42, or 1.14 per cent.