Spot rubber showed a mixed mood on Tuesday. RSS 4 improved on covering purchases to ₹130.50 (₹130) a kg, according to traders. The grade inched up to ₹127.50 (₹127), as quoted by the dealers. August futures firmed up to ₹132.46 (₹130.54), September to ₹129.50 (₹128.42) and October to ₹128 (₹125.77) on the NMCE. Spot rubber rates (₹/kg) follow: RSS-4: 130.50 (130); RSS-5: 126.50 (126); ISNR 20: 119 (121) and Latex (60% drc): 87.50 (88.50).