Spot rubber closed unchanged on Wednesday. RSS 4 finished flat at ₹113 a kg, according to traders and the Rubber Board. The grade quoted steady at ₹110 by dealers. April futures closed at ₹116.80 (₹116.55), May at ₹118.65 (₹118.69) and June at ₹119.67 (₹119.99) on the National Multi Commodity Exchange. RSS 3 (spot) improved to ₹101.18 (₹100.17) at Bangkok. March futures closed at ¥165.9 (₹98.14) on the Tokyo Commodity Exchange. Spot rubber rates (₹/kg): RSS-4: 113 (113); RSS-5: 111 (111); Ungraded: 107 (107) ISNR 20: 107 (107) and Latex (60% drc): 80.50 (80.50).