New Delhi, 02 May (NNS): The prices of black pepper markara held stable at Rs 670 per kg due to the sluggish offtake at the higher level. Recently, the prices have gone up by Rs 15 per kg. The trading activities reported to be negligible and the prices remained stable at the same level in Kochi during the previous day because of the higher temperature. The market sentiments may affect due to the limited arrivals. The spot black pepper prices will likely to remain strong during the coming days.