The December vaida was up while the January contract was unchanged on the forward cottonseeds oilcake market on Saturday in the process of trading, dealers said. The December vaida closed at Rs 1303.80, opened with 40 paisa gain at Rs 1304.20 in the early session, dealers said. The January contract closed at Rs 1450.00 and it commenced with no change at the wee hours, they said.