Spot rubber prices were steady on Thursday. RSS 4 was quoted unchanged at ₹107 a kg by traders and the Rubber Board. The grade finished flat at ₹104, according to dealers. March futures improved to ₹105.48 (₹105.07), April to ₹108.20 (₹108.12) and May to ₹110.60 (₹110.10) on the National Multi Commodity Exchange. RSS 3 (spot) firmed up to ₹98.55 (₹98.12) at Bangkok. March futures closed ¥156.6 (₹92.44) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 107 (107); RSS-5: 105 (105); Ungraded: 100 (100); ISNR 20: 103(103) andLatex (60% drc): 78.50 (78.50).