Spot rubber closed unchanged on Tuesday. RSS 4 was quoted steady at ₹128 a kg, by traders and the Rubber Board. The absence of domestic buyers continued to keep the commodity under pressure during late trading hours. April futures improved to ₹131.06 (130.65) on the Indian Commodity Exchange (ICEX). RSS 3 (spot) firmed up to ₹121.72 (120.60) at Bangkok.April futures weakened to ₹110.89 (111.51) on the Tokyo Commodity Exchange (TOCOM). Spot rubber rates (₹/kg) : RSS-4: 128 (128); RSS-5: 125 (125); ISNR 20: 123.50 (123.50) and Latex (60% drc): 82.50 (82.50).