From the announcement press release:
The S&P/BGCantor U.S. Treasury Inflation Protected Security Index is a broad, comprehensive, market value-weighted index that seeks to measure the performance of the U.S. Treasury Inflation-Protected Securities (TIPS) market.
You can track the index here, but since it just launched on Tuesday, there is very little to see except for the current numbers.
There is a practical floor to HYSA rates which are going to be higher than short term T bill rates,…
That was my first thought. Longterm, of course I-Bonds would be much better than a high-yield savings account, especially with…
This was my query to Claude: "How do returns of Series I savings bonds compare with HYSAs over the last…
The unique thing (and the great contradiction logically) about I Bonds is that they are most appropriate as an investment…
Treasury Inflation-Protected Securities 
I use credit unions for checking and savings due to lower fees and keep very little in those accounts. Liquid…