Spot rubber closed steady amidst extremely dull volumes as the market was in a holiday mood prior to Christmas. RSS 4 finished unchanged at ₹130.50 a kg, according to traders. The grade slid to ₹130.50 (131) and ₹127.50 (128.00) respectively, according to the Rubber Board and the dealers. January futures firmed up to ₹134.01 (132.63), February to ₹135.99 (134.65) and March to ₹138.70 (136.80) on the NMCE. RSS 3 improved at its December futures to ₹112.96 (111.60) a kg on the TOCOM. Spot rubber rates (₹/kg) were: RSS-4: 130.50 (130.50); RSS-5: 128 (128.50); ISNR 20: 114 (114) and Latex (60% drc): 91 (91).