![Welcome Institutional Investors](https://webarchive.library.unt.edu/web/20121006201255im_/http://www.tesorodirecto.gov/images/gw/home_photo_1a.jpg)
Whether you are participating in an auction, tracking its results, conducting research or simply exploring how you can take advantage of U.S. Treasury marketable securities, we invite you to explore this site.
- Tentative Auction Calendar & Results
Find out when the next auction is being held and get the latest auction results. - Participate in a U.S. Treasury Securities Auction
Learn the fundamentals of how Treasury auctions work and where securities are held. - Find Historical Auction Data
Search for historical auction results by security type, auction date, issue date, maturity date, and CUSIP number. Download customized data in XML, and other spreadsheet compatible formats, for further analysis. - Useful Data for Research
Get data and other resources for research and analysis.