Regional Price Parities: All Items: Metropolitan Portion for Oklahoma was 90.59300 Index in January of 2022, according to the United States Federal Reserve. Historically, Regional Price Parities: All Items: Metropolitan Portion for Oklahoma reached a record high of 95.26500 in January of 2014 and a record low of 90.59300 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Regional Price Parities: All Items: Metropolitan Portion for Oklahoma - last updated from the United States Federal Reserve on April of 2024.