Observations

Dec 2025: 0.79997

Updated: Mar 9, 2026 3:16 PM CDT

Units:

Index,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

LMN 1 Month Ahead Financial Uncertainty	2023-02-23	2026-03-09

Source

Ludvigson, Sydney C.	2023-02-23	2026-03-09
Ma, Sai	2023-02-23	2026-03-09
Ng, Serena	2023-02-23	2026-03-09

Release

Financial and Real Uncertainty Indexes	2023-02-23	2026-03-09

Units

Index	2023-02-23	2026-03-09

Frequency

Monthly	2023-02-23	2026-03-09

Seasonal Adjustment

Not Seasonally Adjusted	2023-02-23	2026-03-09

Notes

Broad-based measure of 1-month ahead financial uncertainty drawn from large number of financial market series. For additional details see Ludvigson, Ma, Ng (2021) Uncertainty and Business Cycles: Exogenous Impulse or Endogenous Response? (https://static1.squarespace.com/static/54397369e4b0446f66937a73/t/61533f3d7c6661047246670a/1632845631779/Ludvigson_Ma_Ng_AEJM.pdf).	2023-02-23	2026-03-09

LMN 1 Month Ahead Financial Uncertainty (LMNUF1M)