Spot rubber closed unchanged as major consuming industries sidelined the market on Thursday. RSS 4 finished flat at ₹129 a kg according to traders and the Rubber Board. RSS 3 (spot) improved to ₹106.71 (105.59) at Bangkok. Its October futures firmed up to ₹102.57 (102)on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg) were: RSS-4: 129 (129); RSS-5: 124.50 (124.50); ISNR 20: 116 (116) and Latex (60% drc): 102 (102).