New Delhi, 09 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. Presently, both the arrivals and the prices held stable at the same level of the previous day in Kochi. There is no fear of downtrend in the spot black pepper prices during the coming days.