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Reveille Brief · Daily TSP brief

BLUFRising Treasury Yields Pressure Stocks and Bonds to End September

· Sent · By Reveille Brief Team

Stocks slipped on the last day of the third quarter as a late-session reversal wiped out early gains tied to softer-than-feared inflation data. Treasury yields kept climbing toward multi-decade highs, which weighed on bonds and added pressure to stocks, especially smaller companies and those overseas.

Fund status · last closeSeptember 30, 2026

1-day and year-to-date change in share price. Source: tsp.gov.

Full plan

What moved each fund, and why

The rest of this briefing explains each fund's move in plain English. It's part of the full plan.

  • What moved each fund, why, and what it could mean
  • Notable company movers and what to watch
  • The full archive and your estimated balance

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A free plain-English briefing on the G, F, C, S, I and L Funds, every weekday morning. We never ask for your TSP login.

TSP 101

The I Fund holds stocks priced in currencies other than the U.S. dollar. When the dollar strengthens against those currencies, I Fund returns in dollar terms tend to go down, and when the dollar weakens, those returns tend to get a boost.

Prices and returns

Individual funds

Closing prices as of Wednesday, September 30, 2026. Source: tsp.gov share price history; changes calculated from those prices.
FundPrice1 dayWeekMonthYTD
G Fund$20.2563+0.01%+0.07%+0.40%+3.41%
F Fund$20.3075-0.10%-0.65%-2.59%-2.75%
C Fund$123.4567-0.24%-1.18%-0.35%+12.73%
S Fund$112.0762-0.35%-1.50%-3.86%+11.62%
I Fund$64.6183-0.36%-1.30%-2.30%+16.45%

Lifecycle (L) funds

Closing prices as of Wednesday, September 30, 2026. Source: tsp.gov share price history; changes calculated from those prices.
FundPrice1 dayWeekMonthYTD
L Income Fund$31.0106-0.08%-0.35%-0.28%+6.04%
L 2030 Fund$63.2810-0.16%-0.69%-0.78%+8.92%
L 2035 Fund$19.4501-0.20%-0.86%-1.02%+10.02%
L 2040 Fund$74.9647-0.22%-0.94%-1.15%+10.59%
L 2045 Fund$20.8366-0.23%-1.00%-1.25%+11.09%
L 2050 Fund$46.3811-0.25%-1.07%-1.34%+11.62%
L 2055 Fund$24.3996-0.29%-1.25%-1.48%+13.86%
L 2060 Fund$24.3960-0.29%-1.25%-1.48%+13.86%
L 2065 Fund$24.3922-0.29%-1.25%-1.48%+13.85%
L 2070 Fund$14.4562-0.29%-1.25%-1.49%+13.85%
L 2075 Fund$12.6275-0.29%-1.25%-1.49%+13.85%

Reveille Brief is not affiliated with the Federal Retirement Thrift Investment Board, the Thrift Savings Plan, or the U.S. government. Content is educational and is not investment advice. Past performance does not guarantee future results.