New Delhi, 26 May (NNS): The prices of black pepper markara remained stable at Rs 780 per kg after the ceasefire in Iran. During the previous day, the prices have improved by Rs 5 per kg. Both the arrivals and the prices remained stable at the same level of the previous day in Kochi. The market sentiments may affect because of the sluggish trading activities. There is no possibility of more increment in the spot black pepper prices during the coming days.