Spot rubber was steady on Tuesday. RSS 4 finished unchanged at ₹102 a kg, according to traders. The grade continued to remain flat ₹101.50 and ₹98.50 respectively, according to the Rubber Board and the dealers. January futures weakened to ₹103.10 (₹103.71), February to ₹105 (₹105.40) and March to ₹106 (₹106.49) on the National Multi Commodity Exchange. RSS 3 (spot) firmed up to ₹83.76 (₹82.94) at Bangkok. January futures closed at ¥155.0 (₹84.95) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 102(102); RSS-5: 98.50 (98.50); Ungraded: 92 (92); ISNR 20: 83.50 (83.50) and Latex (60% drc): 75 (75).