TSP G Fund Forecast app icon

TSP G Fund Forecast

Next month's G Fund rate, estimated every business evening from U.S. Treasury data.

Coming soon to the App Store for iPhone
Current estimate for November
5.125%as of Friday, Oct 16

G Fund rate by month

3.75%4.00%4.25%4.50%4.75%5.00%5.25%5.50%NovJan ’26MarMayJulSepNov5.125%

Green: G Fund rates confirmed by the TSP. Gold: this app's current estimate for November.

Next month's rate

Estimated each business evening from Treasury's yield curve and debt data.

Margin to flip

See how close the estimate is to rounding to the next eighth of a percent.

Daily notes

A short note each day on what moved and why it matters.

Track record

Past month-end predictions next to the rates TSP published.

TSP G Fund Forecast is not affiliated with, endorsed by, or connected to the Federal Retirement Thrift Investment Board or the Thrift Savings Plan. Estimates only — not financial advice.