ISM® Makes Annual Adjustments to Seasonal Factors for Manufacturing PMI®, Non-Manufacturing NMI® and Diffusion Indexes

TEMPE, Ariz., Jan. 24, 2020 /PRNewswire/ — Based on input from an independent expert, Institute for Supply Management® (ISM®) recently announced the completion of its annual adjustments to the seasonal factors used in the monthly ISM® Manufacturing Report On Business® and the monthly ISM® Non-Manufacturing Report On Business®. Purchasing managers and economists who track these indexes will note that changes are effective with the January 2020 ISM® Manufacturing Report On Business®, which is scheduled to be released on February 3, 2020, and the January 2020 ISM® Non-Manufacturing Report On Business®, which will be released on February 5, 2020.