Observations

Sep 2026: 8.0

Updated: Sep 17, 2026 7:48 AM CDT

Units:

Index,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Future Inventories; Diffusion Index for FRB - Philadelphia District	2015-04-16	2020-07-23
Future Inventories; Diffusion Index for Federal Reserve District 3: Philadelphia	2020-07-24	2026-09-17

Source

Federal Reserve Bank of Philadelphia	2015-04-16	2026-09-17

Release

Manufacturing Business Outlook Survey	2015-04-16	2026-09-17

Units

Index	2015-04-16	2026-09-17

Frequency

Monthly	2015-04-16	2026-09-17

Seasonal Adjustment

Not Seasonally Adjusted	2015-04-16	2026-09-17

Notes

Future Inventories forecasts the change in inventories over the next six months for reporting manufacturing firms. The diffusion index is calculated by taking the percent reporting increases and subtracting the percentage reporting decreases. For more information about this release from the Federal Reserve Bank of Philadelphia, visit: http://www.philadelphiafed.org/research-and-data/regional-economy/business-outlook-survey/ .	2015-04-16	2026-09-17

Future Inventories; Diffusion Index for Federal Reserve District 3: Philadelphia (IVFDFNA066MNFRBPHI)