The purchase price index for grade 4 wheat with protein >=12.5% based on Rostov-on-Don represents a regional benchmark for the Russian grain market, used for evaluating procurement dynamics in the agricultural sector, with the primary trading region in Russia, where it serves as a price reference for purchases. In 2026-02, indicators ranged from 14100.00 RUB/tonne to 14200.00 RUB/tonne with an average level of 14121.05 RUB/tonne. The index is based on maximum purchase prices for wheat, grade 4, protein >=12.5%, Rostov-on-Don, without VAT.