This market will resolve to the announced Series I bond Fixed Rate, as decided by the US Treasury on May 1, 2023.

An example of an announcement, this one from a year ago.

https://www.treasurydirect.gov/news/2022/release-05-02-rates/

Here are historical rates and background.

https://www.treasurydirect.gov/savings-bonds/i-bonds/i-bonds-interest-rates/

https://www.treasurydirect.gov/files/savings-bonds/i-bond-rate-chart.pdf

More on historical rate / trends

https://www.yourtreasurydirect.com/rates