United States - Producer Price Index by Commodity: Farm Products: Walnuts was 230.85600 Index Dec 1991=100 in July of 2025, according to the United States Federal Reserve. Historically, United States - Producer Price Index by Commodity: Farm Products: Walnuts reached a record high of 365.20000 in October of 2014 and a record low of 100.00000 in December of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Producer Price Index by Commodity: Farm Products: Walnuts - last updated from the United States Federal Reserve on September of 2025.