Treasury and Agency Securities: Mortgage-Backed Securities (MBS), All Commercial Banks

Weekly, Not Seasonally Adjusted

TMBACBW027NBOG • Economic Data from Federal Reserve Economic Data (FRED)

Latest Value

2,676.77

Year-over-Year Change

-0.02%

Date Range

7/1/2009 - 7/30/2025

Summary

This economic indicator tracks weekly, non-seasonally adjusted financial data that provides insights into short-term economic fluctuations. The metric helps economists and policymakers understand current economic conditions without annual seasonal adjustments.

Analysis & Context

This economic indicator provides valuable insights into current market conditions and economic trends. The data is updated regularly by the Federal Reserve and represents one of the most reliable sources for economic analysis.

Understanding this metric helps economists, policymakers, and investors make informed decisions about economic conditions and future trends. The interactive chart above allows you to explore historical patterns and identify key trends over time.

About This Dataset

The series represents raw, unadjusted weekly economic data that captures immediate market dynamics without smoothing seasonal variations. Economists use this unmodified data to analyze precise week-to-week changes and identify potential emerging trends.

Methodology

Data is collected through systematic tracking of financial indicators by federal economic research institutions using standardized measurement protocols.

Historical Context

This data series is critical for real-time economic analysis, providing granular insights for monetary policy decisions and market forecasting.

Key Facts

  • Provides unfiltered weekly economic data without seasonal adjustments
  • Enables precise tracking of short-term economic fluctuations
  • Valuable for immediate economic trend identification

FAQs

Q: What makes non-seasonally adjusted data different?

A: Non-seasonally adjusted data shows raw economic figures without removing predictable seasonal patterns, revealing unmodified week-to-week changes.

Q: How frequently is this data updated?

A: This series is typically updated weekly, providing current economic snapshots without lag.

Q: Why do economists use non-seasonally adjusted data?

A: It allows for immediate, unfiltered analysis of economic changes before seasonal normalization, useful for detecting emerging trends.

Q: Can this data be used for long-term forecasting?

A: While valuable for short-term insights, long-term forecasting typically requires seasonally adjusted or annualized data for more stable trend analysis.

Q: What are potential limitations of this data?

A: The raw data can be more volatile and may not account for predictable seasonal variations that can obscure underlying economic trends.

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Citation

U.S. Federal Reserve, Weekly, Not Seasonally Adjusted [TMBACBW027NBOG], retrieved from FRED.

Last Checked: 8/1/2025

Treasury and Agency Securities: Mortgage-Backed Securities (MBS), All Commercial Banks | US Economic Trends