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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

International Adjustments

Allocation percentages for May 2025
F Fund 0%
C Fund 62%
S Fund 0%
I Fund 38%

Welcome to May!  We have a lot to cover so let’s get to it!

We continue to see very choppy markets due to the uncertainty in the U.S. and global economies.  We started the month off with the implementation of tariffs on every country in the global at various. levels.  Retaliatory tariffs exacerbated the rates some countries faced, with China being the prime example.  After the implementation the VIX more than doubled from 21 to 52.  Many people panicked during the first weeks of April and moved stocks out of the S&P500 and the C Fund – this is a great example of how Mr. Market’s prices are erratic and how one should ignore short-term price fluctuations.  At the end of April, we see the VIX back to around 24 and the C Fund only lost 0.68% this month.

While the tariffs continue to impose risk, I believe the worst has come and gone.  The U.S. and the world knows what the tariff rates are and now they are lining up to negotiate.  This type of economic cooperation will bring down the risk even more. I believe China and the U.S. are negotiating, despite public denials. 

While the immediate tariff numbers are known, the actual long-term impact is not.  However, beyond the initial freak out, tariff impacts are very slow to materialize and that makes them easier to digest and predict. Stability is our friend in long-term investing.  So, the potential long-term impacts of increased inflation can be modeled, observed, assessed and factored into financial models.  Energy prices significantly influence inflation. The Trump administration’s policy of supporting all energy forms could lower energy costs, potentially offsetting tariff-driven inflation.

In short, I’m not panicking. I expect U.S. indices to remain volatile as markets digest disruptions, but long-term investors can manage these challenges

The global economy, intrinsically tied to the U.S., will see much of the same.  However, some sectors are seeing stagflation (Europe), others are seeing the lowest positive GDP growth in decades (China) and some are seeing modest growth (Central and South America).  We have seen solid gains this year by the I Fund, mostly because the I Fund is highly diversified and invested in companies in countries that have shown a fair amount of resilience when the rest of the global panics.  Additionally, a stronger U.S. dollar has made non-U.S. assets more attractive for U.S. investors, boosting the I Fund’s returns in dollar terms.  It is not always the best investment, but it has its moments.

I am adjusting my investment mix to reflect my technical analysis and my assessments above.  I’m thinking long-term.  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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