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Estimated · Delayed Market context Updated Sep 16, 2026 3:50 PM CDT

Mode: Estimated (delayed ETF proxies). Trading day and shareprices are not yet updated to today (Sep 17, 2026). Latest official TSP price date: Sep 16, 2026. Showing delayed ETF proxies as an estimate until official closes post (~8:00 PM CDT). G Fund is omitted (no market ETF approximation). Order shown: F · C · S · I.

Fund Tracks / index Proxy ETF Proxy last Day change
F · F Fund
Fixed Income Index Investment Fund
Bloomberg U.S. Aggregate Bond Index AGG
iShares Core U.S. Aggregate Bond ETF
Source: yfinance
95.81 +0.01%
C · C Fund
Common Stock Index Investment Fund
S&P 500 Index SPY
SPDR S&P 500 ETF Trust
Source: yfinance
754.05 -0.55%
S · S Fund
Small Cap Stock Index Investment Fund
Dow Jones U.S. Completion Total Stock Market Index VXF
Vanguard Extended Market ETF
Source: yfinance
234.39 -0.24%
I · I Fund
International Stock Index Investment Fund
International equities (historically MSCI EAFE; broader ex-U.S. indexes may apply) EFA
iShares MSCI EAFE ETF
Source: yfinance
105.02 -0.50%

Disclaimer: Delayed market ETF day-change figures for educational context only. These are not TSP Fund share prices, not official TSP performance, and not identical to TSP benchmarks (especially S and I Fund indexes). Figures may differ materially from tsp.gov valuations and daily pricing. When official TSP closes for the current trading day are available in our database, this strip switches to Actual mode and shows TSP fund day changes instead.

Current allocations
Monthly allocation

Safe Harbor Surprise

Allocation percentages for October 2024
F Fund 100%
C Fund 0%
S Fund 0%
I Fund 0%

Welcome to October!  Well, it's election year and October is always full of surprises!  We have seen our fair share of them, and I expect to see more over the next 36 days.  As you all know, Mr. Market hates surprises.  The 50bps Federal Reserve rate cut was a surprise and any election surprises will also have a tendency to affect the market.  

We saw fairly flat returns by the end of the month, but we saw wild swings in the beginning and the middle. The F Fund saw a low but positive return, which is what I expected to see and earn.  

Unfortunately, we also saw a bit of a sell off in the C Fund the first day of the month, so when my trades activated, they experienced a loss.  This is an evil we cannot control in the TSP or mutual funds.

Several factors are continuing to drive my decision to remain in the F Fund this month.  As mentioned above, this election year, like most in the last 30 years, will probably have an October surprise of some sort.  It may be nothing, or it could be significant.  The way the last 4 years have gone, and especially this year, I would not be surprised to see an event of some magnitude.  If I'm wrong, I might be leaving some money on the table, but the risk, which is entirely impossible to quantify based on technical factors / analysis, is too great for me to do anything else.  

Second, and the more logical of the factors influencing my decision is the state, or rather the perceived state, of the economy.  We have had a couple of surprises in the last few months regarding the health of our economy and the world economy.  First, it was the surprise revision of jobs, second, the U.S. Manufacturing PMI fell more than expected, and third, China's massive economic stimulus to revitalize their crumbling economy.  Of course, the biggest surprise came from the 50bps rate cut.  I think everyone was expecting a tame 25bps rate cut, which would signal, inflation is under control, the economy is in a good spot, and “we're just trying to get back to normal.”  Instead the 50bps cut signaled, “we see something on the horizon you don't see, and we need to take more dramatic action now before it's too late.”  This was a surprise, and the markets reacted accordingly.  

As mentioned in last month you buy on rumor and sell on news.  Well the sell on news part was overly dramatic based on the results mid-month.  I think a lot of money is on the sidelines right now and waiting to see which way the economy tips.  Perspective to me is very important and with a fairly locked in 18% return, I'm comfortable sitting out one more month to avoid a major downside.  The C Fund is up 22%, but I see this as a bubble.  However, the technical efficient frontier below still shows 100% C Fund.  We used to be happy with 9% returns in a year, 22% makes me pause for a bit.  

For October, I'm not going to answer my door and welcome any surprises.  I'm going to stay in the F Fund.  Keep investing!

 

Last 12 month TSP returns

TSP fund quotes

Latest stored share prices for context with this post. Scroll sideways on small screens.

Date L Income L 2030 L 2035 L 2040 L 2045 L 2050 L 2055 L 2060 L 2065 L 2070 L 2075 G Fund F Fund C Fund S Fund I Fund
2026-09-16 30.9516 63.1152 19.3938 74.7409 20.7723 46.2304 24.2845 24.2811 24.2775 14.3884 12.5683 20.2182 20.5873 121.8196 113.1040 64.7938
2026-09-15 30.9724 63.2041 19.4277 74.8841 20.8151 46.3321 24.3491 24.3457 24.3422 14.4267 12.6018 20.2155 20.5933 122.3618 113.4990 64.7795
Daily Change -0.07%-0.14%-0.17%-0.19%-0.21%-0.22%-0.27%-0.27%-0.27%-0.27%-0.27%0.01%-0.03%-0.44%-0.35%0.02%
Month to Date -0.47%-1.04%-1.31%-1.44%-1.56%-1.66%-1.94%-1.95%-1.95%-1.95%-1.95%0.22%-1.25%-1.67%-2.98%-2.03%
Year to Date 5.84%8.64%9.7%10.26%10.75%11.26%13.32%13.32%13.32%13.31%13.31%3.22%-1.41%11.24%12.64%16.76%
Details L Income L 2030 L 2035 L 2040 L 2045 L 2050 L 2055 L 2060 L 2065 L 2070 L 2075 G Fund F Fund C Fund S Fund I Fund

Allocation history

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