Why subscribe?

Mark Research provides Liquidity flow insights, including

  • Liquidity correlation with S&P 500 Index

  • Actual and forecast changes to the US Treasury borrowing and

  • US Bond auction insights.

Subscribe to get full access to the newsletter and publication archives.

Liquidity and S&P 500

Liquidity and S&P 500 are visually presented to aid your decisions. S&P 500 Liquidity Index shows future liquidity impact on S&P 500 Index.

Mark Research Liquidity Models

Models show key US Treasury data to help your analysis, including

  • Treasury quarterly forecasts (Marketable Borrowing Estimates)

  • Treasury General Account (TGA) levels

  • Changes to treasury bill and coupon offering amounts (auction ‘size’)

  • Changes to total borrowing

  • Primary Dealer Borrowing at US Treasury auctions.

Newsletter and Publications

Publications provide commentary about Treasury bond/Liquidity flows.

Purpose

To provide thought-provoking research to challenge your thinking about financial markets.

General

Please feel free to share comments/questions and reach out with queries.

Copyright

Information presented can be shared “as is” if reference to Mark Research is made.

Copyright © 2025 Mark Research.

IP and ownership

All information provided, including models (or parts of), is owned by and is Intellectual Property of Mark Research. Mark Research Liquidity Models, or parts of, cannot be modified or reproduced without prior written approval. Excerpts (snips) from the models can be shared if reference to Mark Research is made.

Some models use the Bureau of Fiscal Service (FS) Data API but are not endorsed or certified by FS.

Current Mark Research Liquidity Model version: 2024.2.

Disclaimer

All information provided is “as is” and for informational purposes only. The information, words and other content provided and referenced is not intended and should not be construed as investment advice. Please consult relevant experts and do your own research. It is not intended for trading, financial, investment, legal, taxation or other purposes or advice. Mark Research does not offer an investment advice and shall not be liable for any adverse consequences or damages because of your use of the information provided. Author/s may or may not have positions in the securities or related securities mentioned in publications/comments/posts.

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People

Years of US bond and equity market research aid your decisions. The US Treasury issues debt, creating Liquidity. Mark Research provides context and visually presents - Liquidity and S&P 500 correlation - US Treasury borrowing changes and insights.