Spot rubber closed unchanged on Wednesday. RSS 4 quoted steady at ₹116 a kg, by traders and the Rubber Board. The grade finished flat at ₹113, according to dealers. November futures concluded at ₹117.06 (₹117.54), December at ₹119.90 (₹119.95) and January at ₹122.20 (₹121.98) on the National Multi Commodity Exchange. RSS 3 (spot) weakened to ₹113.63 (₹114.13) at Bangkok. November futures declined to ¥177.4 (₹113.80) on the Tokyo Commodity Exchange. Spot rubber rates ₹/kg: RSS-4: 116 (116); RSS-5: 110 (110); Ungraded: 100 (100); ISNR 20: 99 (99) and Latex (60% drc): 71.50 (71.50).