Spot rubber continued to close unchanged on Tuesday. The market managed to sustain at the prevailing levels mainly on supply concerns though there were certain enquiries from the tyre sector. RSS 4 was quoted steady at ₹114.50 a kg by traders and the Rubber Board. The grade finished flat at ₹111.50, according to dealers. November futures weakened to ₹113.69 (114.05), December to ₹113.50 (113.84) and January to ₹113.25 (113.69) a kg on the National Multi Commodity Exchange. RSS 3 (spot) declined to ₹85.63 (86.78) at Bangkok. October futures recovered partially to ¥154.4 (₹83.93) a kg on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 114.50 (114.50); RSS-5: 112 (112); Ungraded: 106 (106); ISNR 20: 104 (104) and Latex (60% drc): 87 (87).