Spot rubber showed a mixed trend on Wednesday. RSS 4 improved marginally to ₹125.50 (₹125) a kg according to traders and the Rubber Board. The grade was quoted firm at ₹122.50 (₹122.00) by dealers. The transactions continued to be low. August futures weakened ₹125.60 (₹126.07), September to ₹125.40 (₹126.03) and October to ₹125 (₹125.02) on the National Multi Commodity Exchange. RSS 3 (spot) inched up to ₹107.45 (₹107.03) at Bangkok. July futures closed at ¥200.8 (₹103.14) on the Tokyo Commodity Exchange. spot rubber rates ₹/ kg were: RSS-4: 125.50 (125); RSS-5: 123 (123); Ungraded: 111 (110.50); ISNR 20: 111.50 (112) and Latex (60% drc): 108 (109).