Funds / Individual fund

G Fund

$20.34 a share on Oct 27, 2026, +0.01% on the day.

Returns to Oct 27, 2026

Year to date: 3.8%; from Dec 31, 2025
1 year: 4.6%; from Oct 27, 2025
3 years: 4.5%; a year, from Oct 27, 2023
5 years: 4.0%; a year, from Oct 27, 2021
10 years: 3.0%; a year, from Oct 27, 2016
Since start: 3.1%; a year, from Jun 2, 2003

Share price, month endslog scale

Spans longer than a year show the yearly rate. Share prices include the fund's earnings and expenses, so a price change is the return.

What the G Fund holds

Special interest-bearing Treasury securities issued only to the TSP. Their rate is the average market yield of marketable Treasury debt not due or callable within four years, set each month from the end of the month before.

Legal name: Government Securities Investment Fund
First priced: Jun 2, 2003 in the official daily price file; the fund itself is older

Since Jun 2, 2003

$10,000 on Jun 2, 2003 would be about

$20,300

by Oct 27, 2026. In the C Fund over the same span: about $124,000.

Growth per year: 3.1%; C Fund 11.4%
Best year: 4.9%; 2006
Worst year: 1.0%; 2020
Biggest drop: 0%; peak to trough; C Fund 55%

G FundC Fund onlylog scale

Year by year

Year	G Fund	C Fund
2003*	2.4%	16.2%
2004	4.3%	10.8%
2005	4.5%	5.0%
2006	4.9%	15.8%
2007	4.9%	5.5%
2008	3.8%	−37.0%
2009	3.0%	26.7%
2010	2.8%	15.1%
2011	2.5%	2.1%
2012	1.5%	16.1%
2013	1.9%	32.4%
2014	2.3%	13.8%
2015	2.0%	1.5%
2016	1.8%	12.0%
2017	2.3%	21.8%
2018	2.9%	−4.4%
2019	2.2%	31.5%
2020	1.0%	18.3%
2021	1.4%	28.7%
2022	3.0%	−18.1%
2023	4.2%	26.2%
2024	4.4%	25.0%
2025	4.4%	17.8%
2026*	3.8%	13.8%

* part of a year. Returns are from official daily share prices; each move happens at the close of its day.

Month by month

Monthly returns of the G Fund by year and month
Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2003						0.2%*	0.3%	0.4%	0.4%	0.3%	0.3%	0.5%	2.4%*
2004	0.3%	0.4%	0.3%	0.3%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.3%	0.4%	4.3%
2005	0.4%	0.4%	0.4%	0.4%	0.4%	0.3%	0.4%	0.4%	0.4%	0.4%	0.4%	0.5%	4.5%
2006	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.3%	0.4%	0.4%	0.3%	4.9%
2007	0.4%	0.3%	0.4%	0.4%	0.3%	0.4%	0.5%	0.3%	0.4%	0.4%	0.3%	0.4%	4.9%
2008	0.3%	0.2%	0.3%	0.2%	0.3%	0.3%	0.4%	0.3%	0.3%	0.3%	0.3%	0.2%	3.8%
2009	0.2%	0.2%	0.2%	0.2%	0.2%	0.3%	0.3%	0.3%	0.3%	0.3%	0.3%	0.2%	3.0%
2010	0.3%	0.2%	0.3%	0.3%	0.3%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	2.8%
2011	0.2%	0.2%	0.3%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.1%	0.1%	0.2%	2.5%
2012	0.1%	0.1%	0.1%	0.2%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	1.5%
2013	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	1.9%
2014	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	2.3%
2015	0.2%	0.1%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	2.0%
2016	0.2%	0.1%	0.1%	0.1%	0.1%	0.2%	0.1%	0.1%	0.1%	0.1%	0.2%	0.2%	1.8%
2017	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	2.3%
2018	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.3%	0.2%	0.3%	0.3%	0.3%	2.9%
2019	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.1%	0.1%	0.1%	0.2%	2.2%
2020	0.2%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	1.0%
2021	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	0.1%	1.4%
2022	0.1%	0.1%	0.2%	0.2%	0.2%	0.3%	0.3%	0.2%	0.3%	0.3%	0.3%	0.3%	3.0%
2023	0.3%	0.3%	0.4%	0.3%	0.3%	0.3%	0.3%	0.4%	0.4%	0.4%	0.4%	0.4%	4.2%
2024	0.3%	0.3%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.3%	0.3%	0.4%	0.4%	4.4%
2025	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.3%	0.4%	4.4%
2026	0.4%	0.3%	0.3%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%	0.4%*			3.8%*

Blue, the month was up; red, it was down; the deeper the colour, the bigger the move. * part of a month or year.

Rolling returns, a year at a time
Over	Spans	Best	Worst	Average	Lost money
1 year	22	4.9%to 2006	1.0%to 2020	3.0%	0 of 22
3 years	20	4.8%to 2007	1.5%to 2021	2.9%	0 of 20
5 years	18	4.5%to 2008	1.9%to 2016	2.7%	0 of 18
10 years	13	3.4%to 2013	1.9%to 2021	2.5%	0 of 13

Every span

Annualised return of each window ending at each year end
Ending	1 year	3 years	5 years	10 years
2025	4.4%	4.4%	3.5%	2.8%
2024	4.4%	3.9%	2.8%	2.5%
2023	4.2%	2.9%	2.4%	2.3%
2022	3.0%	1.8%	2.1%	2.1%
2021	1.4%	1.5%	2.0%	1.9%
2020	1.0%	2.0%	2.1%	2.0%
2019	2.2%	2.5%	2.3%	2.2%
2018	2.9%	2.4%	2.3%	2.3%
2017	2.3%	2.1%	2.1%	2.4%
2016	1.8%	2.1%	1.9%	2.6%
2015	2.0%	2.1%	2.0%	2.9%
2014	2.3%	1.9%	2.2%	3.2%
2013	1.9%	1.9%	2.3%	3.4%
2012	1.5%	2.2%	2.7%
2011	2.5%	2.7%	3.4%
2010	2.8%	3.2%	3.9%
2009	3.0%	3.9%	4.2%
2008	3.8%	4.5%	4.5%
2007	4.9%	4.8%
2006	4.9%	4.6%
2005	4.5%
2004	4.3%

Each figure is the yearly rate over a span ending on the last priced day of that year. A blank cell means the span starts before the fund did.

The share price has never closed below an earlier high.

Past performance does not predict future returns. This is not investment advice.

Official TSP share prices through Oct 27, 2026.

Open the G Fund in the backtester to test a plan that moves in and out of it, or see every fund.