New Delhi, 13 May (NNS): Here, cumin prices jumped by Rs 2000 to Rs 26800 per quintal owing to the constant buying from the stockists at the higher prices. Before this, the prices have gone up by Rs 300 per quintal. There were around 25000/27000 bags of cumin reported to arrive in Unjha and the prices rose by Rs 250/300 per 20 kg. The active contract jumped by Rs 1100 or 4.07 percent to Rs 28150 per quintal due to the all-round speculative buying, due to this, the market sentiments may affect. The spot cumin prices will likely to remain strong during the coming one or two days.