Spot rubber was steady on Monday following a weak closing in domestic futures and global trendsetters. RSS 4 continued to rule unchanged at ₹138 a kg, according to traders and the Rubber Board. The grade finished flat at ₹135, according to dealers. January futures dropped to ₹140.10 (₹142.80), February to ₹143.10 (₹145.80), March to ₹146 (₹149.27) on the National Multi Commodity Exchange. RSS 3 (spot) declined to ₹160.08 (₹162.69) a kg at Bangkok. December futures surrendered to ¥276.5 (₹159.68) on the Tokyo Commodity Exchange. Spot rubber (₹/kg): RSS-4: 138 (138); RSS-5: 131 (131); Ungraded: 122 (122); ISNR 20: 129 (129) and Latex (60% drc): 84.50 (84.50).