Spot rubber improved following the overall gains in global trendsetters. RSS 4 was quoted firm at ₹116.50 (₹116) a kg by traders. The grade closed unchanged at ₹116.50 and ₹113.50, according to the Rubber Board and the dealers. RSS 3 (spot) firmed up to ₹116.30 (₹115.81) at Bangkok. November futures closed at ¥181.2 (₹115.29) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 116.50 (116); RSS-5: 111 (110); Ungraded: 100 (100); ISNR 20: 100 (99) and Latex (60% drc): 72 (71.50).