New Delhi, 23 June (NNS): Dry ginger prices remained firm at Rs 30500 per quintal owing to the sluggish sale at the higher level. Recently, the prices have gone up by Rs 500 per quintal. Both the arrivals and the prices held stable at the same level of the previous day in Kochi. The market sentiments may affect due to the weak availability of the stock in the international markets. The spot dry ginger prices will likely to remain stable at the same level during the coming days.