An upward trend seen on the forward cottonseed oilcake market on Monday in the process of trading, dealers said. The May vaida closed at Rs 1750.80 on Saturday and it commenced with 50 paisa rise at Rs 1751.30 in the morning session, they said. The July vaida ended at Rs 1850.00 but it opened with Rs 1.60 to Rs 1851.60 in the early session, they said.