-- Updated historical data through May 7, 2025.

- Updated historical data through August 30, 2024

- Updated historical data through Feb 1, 2024.

- Updated historical treasury yields within the app through May 4, 2023. If you are missing any of the historical record, delete the app and download this newest version. - In light of the most extreme inversion of the Yield Curve in the last 3,314 days, the logic for determining the maximum value on the y-axis of the graphical presentation on iPad had to be expanded to include each reported Treasury term instrument. Who knew that the highest yield today would be the 1-month Treasury? Rome is burning!!!

- Updated historical treasury yields within the app through January 6, 2023. If you are missing any of the historical record, delete the app and download this newest version.

- Updated historical treasury yields within the app through July 28, 2022. If you are missing any of the historical record, delete the app and download this newest version.

- Updated historical treasury yields within the app through December 9, 2021. If you are missing any of the historical record, delete the app and download this newest version. - Added feature to show spreads between any two data series such as the spread between the 10-year and the 2-year Treasuries. - GUI additions to allow more rapid movement or stepped movement through the historical data. - Numerous code improvements.

- Updated historical treasury yields within the app through May 27, 2021.

- Updated historical treasury yields within the app through Jan 29, 2021.

- Updated historical treasury yields within the app through Aug 10, 2020.

- Updated historical treasury yields within the app through Nov 19, 2019. - Substantial GUI changes for dark look. - Some code improvements.

- Updated historical treasury yields within the app through Aug 12, 2019. - Removed links to Facebook and Twitter.

- Updated historical treasury yields within the app. - Compiled with Xcode 10.1.

- Updated historical treasury yields within the app.

- Updated history loaded into the app.

- Updated history loaded into the app.

- Updated history loaded into the app.

- Added 30-year bond series from January 2010 to the present. - Some GUI modifications to accommodate iOS 10.

- Historical data from January 2, 2010 through August 25, 2016 are preinstalled in the app. If your historical record has no large gaps (more than a weekend or a holiday), then simply update the app and it will be current. - However, if your app's historical record contains a gap of more than a few days, delete the app from your iPad or iPhone and reinstall from scratch from the iTunes App Store. Naturally, updates and reinstallations are free to current users.

- Fixed bug created by iOS 9 that prevented access to URL for uploading data. - Other changes to adapt to iOS 9, mostly involving fonts.

- GUI changes. - Slider fine-tuning buttons are continuously adjustable up or down when held down. - Modified syntax of Facebook and Twitter links. - Streamlined code. - You may delete an older version and replace it with this new one to get the full data set through July 1, 2015. Updates will occur when you reopen the app subsequently.

- Added links to social apps Facebook and Twitter - The social apps and an account for each must exist for the link to be active - Changed minimum iOS to 7.1

- Updated for iOS 8 and iPhone 6. - Updated graphing engine.

- Daily Treasury yields have been updated through May 29, 2014. Updates beyond that date are available as automatic downloads when the app is opened and connected to the Internet. - Corrected positioning of yearly header in scrolling view on iPhone version. - Some GUI improvements.

- In the iPad version, the ability to select or deselect data periods for the time-series graph has been added to a popup menu. - Also, the table data entries, the time-series graph lines and the labels in the popup where selections and deselections can be made are color-coordinated. - Daily Treasury yields have been updated through Feb 6, 2014. Updates beyond that date are available as automatic downloads when the app is opened and connected to the Internet.