PFIXvsVGUSETF Comparison
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Simplify Interest Rate Hedge ETF (PFIX) belongs to the Alternatives segment. Vanguard Ultra-Short Treasury ETF (VGUS) is part of the Money Market Bonds segment. PFIX's top 2 sector exposures are Sovereign and Government Agencies. In contrast, VGUS's top sector exposures are Sovereign. PFIX is more expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.07% for VGUS. PFIX is up 12.42% year-to-date (YTD) with +$16M in YTD flows. VGUS performs worse with 2.46% YTD performance, and +$580M in YTD flows. Run a side-by-side ETF comparison of PFIX and VGUS below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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PFIX vs VGUS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PFIX VGUS | -1.04%+0.24% | +22.20%+0.87% | +12.42%+2.46% | +23.75%+3.63% | +42.02%n/a | +206.40%n/a |
| Flows | PFIX VGUS | -+$49M | -$55M+$100M | +$16M+$580M | +$3M+$701M | +$23M- | -$17M- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PFIX VGUS | +25.21%+0.16% | +24.74%+0.15% | +35.72%n/a | +36.87%n/a |
| Max drawdown | PFIX VGUS | -5.80%n/a | -17.27%n/a | -36.75%n/a | -36.75%n/a |
| Max drawdown duration | PFIX VGUS | 23dn/a | 71dn/a | 568dn/a | 568dn/a |
Trading data
PFIX | VGUS | |
Last sale 9/18/2026 at 1:30 PM | $53.23 | $75.56 |
| Previous close 09/17/2026 | $52.28 | $75.53 |
| Consolidated volume 09/17/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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PFIX
is actively managed and doesn’t replicate an indexPFIX | VGUS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
PFIX | VGUS | |
|---|---|---|
| Last price | $53.23 | $75.56 |
| 1D performance | +1.82% | +0.03% |
| AuM | $183.48 M | $1.11 B |
| E/R | 0.5% | 0.07% |
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Exposure
Countries
PFIX
USA
79.98%
Other
20.02%
VGUS
USA
100%
Other
0%
Sectors
PFIX
Sovereign
74.98%
Other
25.02%
VGUS
Sovereign
100%
Other
0%
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Diversification
PFIX
Total weight of top 15 holdings out of 15
74.55%
VGUS
Total weight of top 15 holdings out of 15
37.34%
Top 15 holdings
Data as of July 31, 2026
PFIX
USA, Bills 0% 31dec2026, USD (182D)
26.83%
USA, Bills 0% 3dec2026, USD (182D)
22.70%
USA, Bills 0% 20aug2026, USD (182D)
8.92%
USA, Bills 0% 1sep2026, USD (119D)
8.49%
USA, Bills 0% 15oct2026, USD (182D)
5.51%
Freddie Mac, FRN 22sep2027, USD
0.32%
USA, Notes FRN 31jul2026, USD (BF-2026)
0.27%
USA, Notes FRN 31jul2027, USD (BF-2027)
0.22%
FHLB, 0% 7aug2026, USD (365D)
0.22%
FHLB, 0% 21aug2026, USD (365D)
0.22%
FHLB, 0% 27aug2026, USD (365D)
0.22%
FHLB, 0% 3sep2026, USD (365D)
0.18%
USA, Notes FRN 31oct2027, USD (BK-2027)
0.15%
FHLB, 0% 28aug2026, USD (365D)
0.15%
USA, Bills 0% 8oct2026, USD (182D)
0.15%
VGUS
USA, Bills 0% 6aug2026, USD (364D)
4.22%
USA, Bills 0% 3sep2026, USD (364D)
3.35%
USA, Bills 0% 17sep2026, USD (182D)
2.60%
USA, Bills 0% 24sep2026, USD (182D)
2.60%
USA, Bills 0% 13aug2026, USD (182D)
2.59%
USA, Bills 0% 27aug2026, USD (182D)
2.59%
USA, Bills 0% 10sep2026, USD (182D)
2.58%
USA, Bills 0% 20aug2026, USD (182D)
2.53%
USA, Bills 0% 25aug2026, USD (119D)
2.20%
USA, Bills 0% 11aug2026, USD (119D)
2.17%
USA, Bills 0% 18aug2026, USD (119D)
2.13%
USA, Bills 0% 4aug2026, USD (119D)
2.07%
USA, Bills 0% 1oct2026, USD (364D)
1.92%
USA, Bills 0% 24dec2026, USD (363D)
1.91%
USA, Bills 0% 29oct2026, USD (364D)
1.87%
Frequently asked questions about PFIX and VGUS
How have the PFIX and VGUS ETFs performed in 2026?
As of September 18, 2026, PFIX is up 12.42% year-to-date (YTD), while VGUS has returned 2.46%. That puts PFIX better performer ahead so far this year.
Which ETF is attracting more investor money: PFIX or VGUS?
Year-to-date, the PFIX ETF saw +$16M in flows, compared to +$580M for VGUS.
Which ETF is more volatile: PFIX or VGUS?
Over the past year, PFIX had a volatility of 24.74%, while VGUS experienced 0.15%.
Which ETF is bigger: PFIX or VGUS?
As of September 18, 2026, PFIX holds $183.48 M in assets under management (AUM), while VGUS manages $1.11 B.
What sectors do the PFIX and VGUS ETFs invest in?
PFIX leans toward sectors like Sovereign. Meanwhile, VGUS focuses on Sovereign.
What are the top holdings of the PFIX ETF and VGUS ETF?
PFIX top holdings include USA, Bills 0% 31dec2026, USD (182D), USA, Bills 0% 3dec2026, USD (182D) and USA, Bills 0% 20aug2026, USD (182D). VGUS holds in its top three: USA, Bills 0% 6aug2026, USD (364D), USA, Bills 0% 3sep2026, USD (364D) and USA, Bills 0% 17sep2026, USD (182D).
Which ETF is more diversified: PFIX or VGUS?
PFIX holds 170 securities with 74.55% of its assets in the top 15. VGUS has 90 securities and a top 15 weight of 37.34%.
Latest news about PFIX & VGUS
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