CDXvsBUCKETF Comparison
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Simplify High Yield PLUS Credit Hedge ETF (CDX) belongs to the Alternatives segment. Simplify Stable Income ETF (BUCK) is part of the Multi-Asset: Other segment. CDX's top 3 sector exposures are Sovereign, Government Agencies and Finance. In contrast, BUCK's top sector exposures are Government Agencies and Sovereign. CDX is more expensive with a Total Expense Ratio (TER) of 0.5%, versus 0.35% for BUCK. CDX is down -2.24% year-to-date (YTD) with -$67M in YTD flows. BUCK performs better with 2.77% YTD performance, and +$163M in YTD flows. Run a side-by-side ETF comparison of CDX and BUCK 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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CDX vs BUCK performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CDX BUCK | +0.53%+0.56% | -0.31%+1.00% | -2.24%+2.77% | -1.64%+5.52% | +21.88%+15.96% | n/an/a |
| Flows | CDX BUCK | -$17M+$19M | -$37M+$71M | -$67M+$163M | +$43M+$169M | +$355M+$513M | -- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CDX BUCK | +4.23%+0.47% | +4.13%+1.08% | +5.02%+2.83% | n/an/a |
| Max drawdown | CDX BUCK | -2.50%-0.15% | -4.34%-0.42% | -4.34%-5.11% | n/an/a |
| Max drawdown duration | CDX BUCK | 76d5d | 293d17d | 293d160d | n/an/a |
Trading data
CDX | BUCK | |
Last sale 9/2/2026 at 1:30 PM | $20.47 | $23.33 |
| Previous close 09/01/2026 | $20.59 | $23.31 |
| Consolidated volume 09/01/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
CDX | BUCK | |
|---|---|---|
| Last price | $20.47 | $23.33 |
| 1D performance | -0.58% | +0.09% |
| AuM | $360.38 M | $506.24 M |
| E/R | 0.5% | 0.35% |
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Exposure
Countries
CDX
USA
80.93%
Other
19.07%
BUCK
USA
70.92%
Other
29.08%
Sectors
CDX
Sovereign
46.3%
Government Agenci.
33.65%
Other
20.05%
BUCK
Government Agenci.
46.12%
Sovereign
24.81%
Other
29.08%
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Diversification
CDX
Total weight of top 15 holdings out of 15
43.37%
BUCK
Total weight of top 15 holdings out of 15
25.17%
Top 15 holdings
Data as of July 31, 2026
CDX
USA, Bills 0% 3dec2026, USD (182D)
9.96%
USA, Bills 0% 31dec2026, USD (182D)
7.65%
USA, Bills 0% 15oct2026, USD (182D)
5.55%
USA, Bills 0% 1sep2026, USD (119D)
5.05%
Freddie Mac, FRN 22sep2027, USD
2.13%
USA, Notes FRN 31jul2026, USD (BF-2026)
1.85%
USA, Notes FRN 31jul2027, USD (BF-2027)
1.48%
FHLB, 0% 7aug2026, USD (365D)
1.48%
FHLB, 0% 21aug2026, USD (365D)
1.47%
FHLB, 0% 27aug2026, USD (365D)
1.47%
FHLB, 0% 3sep2026, USD (365D)
1.18%
USA, Notes FRN 31oct2027, USD (BK-2027)
1.04%
FHLB, 0% 28aug2026, USD (365D)
1.03%
USA, Bills 0% 8oct2026, USD (182D)
1.03%
USA, Bills 0% 20oct2026, USD (119D)
1.02%
BUCK
Freddie Mac, FRN 22sep2027, USD
2.92%
USA, Notes FRN 31jul2026, USD (BF-2026)
2.53%
USA, Notes FRN 31jul2027, USD (BF-2027)
2.03%
FHLB, 0% 7aug2026, USD (365D)
2.02%
FHLB, 0% 21aug2026, USD (365D)
2.02%
FHLB, 0% 27aug2026, USD (365D)
2.02%
FHLB, 0% 3sep2026, USD (365D)
1.61%
USA, Notes FRN 31oct2027, USD (BK-2027)
1.42%
FHLB, 0% 28aug2026, USD (365D)
1.41%
USA, Bills 0% 8oct2026, USD (182D)
1.41%
USA, Notes FRN 30apr2027, USD (BB-2027)
1.28%
US313313F450
1.21%
US313589C353
1.13%
US313589B447
1.09%
FHLB, 0% 31jul2026, USD (365D)
1.07%
Frequently asked questions about CDX and BUCK
How have the CDX and BUCK ETFs performed in 2026?
As of August 31, 2026, CDX is down -2.24% year-to-date (YTD), while BUCK has returned 2.77%. That puts BUCK better performer ahead so far this year.
Which ETF is attracting more investor money: CDX or BUCK?
Year-to-date, the CDX ETF saw -$67M in flows, compared to +$163M for BUCK.
Which ETF is more volatile: CDX or BUCK?
Over the past year, CDX had a volatility of 4.13%, while BUCK experienced 1.08%.
Which ETF is bigger: CDX or BUCK?
As of August 31, 2026, CDX holds $360.38 M in assets under management (AUM), while BUCK manages $506.24 M.
What sectors do the CDX and BUCK ETFs invest in?
CDX leans toward sectors like Sovereign and Government Agencies. Meanwhile, BUCK focuses on Government Agencies and Sovereign.
What are the top holdings of the CDX ETF and BUCK ETF?
CDX top holdings include USA, Bills 0% 3dec2026, USD (182D), USA, Bills 0% 31dec2026, USD (182D) and USA, Bills 0% 15oct2026, USD (182D). BUCK holds in its top three: Freddie Mac, FRN 22sep2027, USD, USA, Notes FRN 31jul2026, USD (BF-2026) and USA, Notes FRN 31jul2027, USD (BF-2027).
Which ETF is more diversified: CDX or BUCK?
CDX holds 379 securities with 43.37% of its assets in the top 15. BUCK has 167 securities and a top 15 weight of 25.17%.
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