Physical rubber prices ruled flat on Wednesday due to lack of genuine buyers and sellers in markets.
Spot prices for RSS-4 and RSS-5 variety remain unchanged at Rs 152/ kg and Rs 144/ kg respectively.
In the futures market, contract of January delivery weakened to Rs 151 compared to its previous closing of Rs 152.84, while February delivery closed at Rs 153.30 compared to its previous closing of Rs 154.96 on the National Multi Commodity Exchange (NMCE).