FSTBvsBTOTETF Comparison
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Fidelity Short-Term Bond ETF (FSTB) belongs to the Intl IG Bonds segment. iShares Total USD Fixed Income Market ETF (BTOT) is part of the US Aggregate Bonds segment. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. FSTB is more expensive with a Total Expense Ratio (TER) of 0.21%, versus 0.1% for BTOT. Run a side-by-side ETF comparison of FSTB and BTOT 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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FSTB vs BTOT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/18/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | FSTB BTOT | -0.63%-1.04% | -0.01%-1.70% | n/a-0.95% | n/an/a | n/an/a | n/an/a |
| Flows | FSTB BTOT | +$3M- | +$178M- | -+$5M | -- | -- | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | FSTB BTOT | +1.34%+3.54% | n/an/a | n/an/a | n/an/a |
| Max drawdown | FSTB BTOT | -0.73%-2.21% | n/an/a | n/an/a | n/an/a |
| Max drawdown duration | FSTB BTOT | 24d81d | n/an/a | n/an/a | n/an/a |
Trading data
FSTB | BTOT | |
Last sale 9/18/2026 at 1:30 PM | $19.82 | $47.99 |
| Previous close 09/17/2026 | $19.85 | $48.14 |
| 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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FSTB
is actively managed and doesn’t replicate an indexFSTB | BTOT | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/18/2026 at 1:30 PM
Live
Closed
FSTB | BTOT | |
|---|---|---|
| Last price | $19.82 | $47.99 |
| 1D performance | -0.15% | -0.31% |
| AuM | $178.25 M | $28.86 M |
| E/R | 0.21% | 0.1% |
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Exposure
Countries
FSTB
USA
67.17%
Other
32.83%
BTOT
USA
76.56%
Other
23.44%
Sectors
FSTB
Sovereign
40.52%
Finance
28.85%
Other
30.63%
BTOT
Sovereign
44.98%
Finance
11.87%
Other
43.15%
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Diversification
FSTB
Total weight of top 15 holdings out of 15
45.28%
BTOT
Total weight of top 15 holdings out of 15
19.36%
Top 15 holdings
Data as of July 31, 2026
FSTB
USA, Notes 3.875% 15may2029, USD (AN-2029)
10.23%
USA, Notes 3.375% 15sep2028, USD (AS-2028)
6.64%
USA, Notes 3.5% 15dec2028, USD (AV-2028)
6.61%
USA, Notes 3.625% 15aug2028, USD (AR-2028)
6.51%
USA, Notes 3.5% 15feb2029, USD (AK-2029)
5.54%
USA, Notes 4.625% 30sep2028, USD (AD-2028)
3.81%
US31635A1051
2.29%
USA, Notes 4% 31may2028, USD (BC-2028)
1.03%
Bank of America Corporation, 4.271% 23jul2029, USD (N)
0.46%
JP Morgan, 4.851% 25jul2028, USD
0.38%
US12567MAN11
0.38%
Bank of America Corporation, 4.979% 24jan2029, USD (N)
0.37%
US33884EAQ44
0.36%
Goldman Sachs, 4.148% 21jan2029, USD
0.34%
Avolon Holdings, 4.95% 15jan2028, USD
0.33%
BTOT
BlackRock Cash Funds - Institutional
5.64%
US31418EB825
1.92%
FR SD8212, 2.5% 1may2052, USD (ABS)
1.32%
USA, Notes 3.875% 31jul2027, USD (BE-2027)
1.08%
Benchmark Mortgage Trust 2025-V18, 5.18365% 18oct2058, USD (ABS, A3)
1.03%
USA, Notes 4.875% 31oct2030, USD (R-2030)
0.93%
USA, Notes 3.625% 31aug2027, USD (BG-2027)
0.86%
US3140XPXH76
0.86%
USA, Notes 3.375% 15sep2027, USD (AS-2027)
0.86%
US01F0204895
0.85%
USA, Notes 4% 31jul2032, USD (N-2032)
0.85%
USA, Notes 4% 30apr2032, USD (K-2032)
0.84%
US01F0326821
0.84%
USA, Notes 1.875% 15feb2032, USD (B-2032)
0.75%
US31418EDD94
0.74%
Frequently asked questions about FSTB and BTOT
Which ETF is bigger: FSTB or BTOT?
As of September 18, 2026, FSTB holds $178.25 M in assets under management (AUM), while BTOT manages $28.86 M.
What sectors do the FSTB and BTOT ETFs invest in?
FSTB leans toward sectors like Sovereign and Finance. Meanwhile, BTOT focuses on Sovereign and Finance.
What are the top holdings of the FSTB ETF and BTOT ETF?
FSTB top holdings include USA, Notes 3.875% 15may2029, USD (AN-2029), USA, Notes 3.375% 15sep2028, USD (AS-2028) and USA, Notes 3.5% 15dec2028, USD (AV-2028). BTOT holds in its top three: BlackRock Cash Funds - Institutional, US31418EB825 and FR SD8212, 2.5% 1may2052, USD (ABS).
Which ETF is more diversified: FSTB or BTOT?
FSTB holds 412 securities with 45.28% of its assets in the top 15. BTOT has 1055 securities and a top 15 weight of 19.36%.
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