BYLDvsGCORETF Comparison
VS
iShares Yield Optimized Bond ETF (BYLD) and Goldman Sachs Access U.S. Aggregate Bond ETF (GCOR) belong to the same industry segment: US Aggregate Bonds. BYLD's top 3 sector exposures are Finance, Sovereign and Industrials. In contrast, GCOR's top sector exposures are Sovereign, Finance and Industrials. BYLD is more expensive with a Total Expense Ratio (TER) of 0.41%, versus 0.09% for GCOR. BYLD is down -0.91% year-to-date (YTD) with +$138M in YTD flows. GCOR performs worse with -1.69% YTD performance, and +$142M in YTD flows. Run a side-by-side ETF comparison of BYLD and GCOR 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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BYLD vs GCOR performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/16/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BYLD GCOR | -0.68%-0.06% | -2.12%-1.81% | -0.91%-1.69% | -0.31%-1.83% | +20.05%+14.26% | +8.98%-3.28% |
| Flows | BYLD GCOR | -$13M+$4M | -$13M+$38M | +$138M+$142M | +$154M+$190M | +$339M+$294M | +$292M+$658M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BYLD GCOR | +4.39%+4.30% | +3.91%+3.79% | +4.41%+4.89% | +5.19%+5.98% |
| Max drawdown | BYLD GCOR | -3.46%-3.36% | -3.82%-4.82% | -3.82%-5.11% | -14.15%-18.04% |
| Max drawdown duration | BYLD GCOR | 52d52d | 109d229d | 109d318d | 1010d1802d |
Trading data
BYLD | GCOR | |
Last sale 10/16/2026 at 1:30 PM | $21.71 | $39.57 |
| Previous close 10/15/2026 | $21.71 | $39.56 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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BYLD | GCOR | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
BYLD | GCOR | |
|---|---|---|
| Last price | $21.71 | $39.57 |
| 1D performance | +0.00% | +0.03% |
| AuM | $421.93 M | $807.64 M |
| E/R | 0.41% | 0.09% |
Characteristics
BYLD | GCOR | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Goldman Sachs |
| Benchmark | Morningstar U.S. Bond Market Yield-Optimized Index | FTSE Goldman Sachs US Broad Bond Market Index |
| N° of holdings | 9460 | 1639 |
| Asset class | Fixed Income | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 22, 2014 | September 8, 2020 |
| ESG | No | No |
Exposure
Countries
BYLD
USA
72.07%
Other
27.93%
GCOR
USA
66.02%
Other
33.98%
Sectors
BYLD
Finance
18.51%
Sovereign
18.19%
Industrials
10.29%
Other
53%
GCOR
Sovereign
44.13%
Finance
8.22%
Other
47.64%
Diversification
BYLD
Total weight of top 15 holdings out of 15
9.96%
GCOR
Total weight of top 15 holdings out of 15
24.96%
Top 15 holdings
Data as of August 31, 2026
BYLD
BlackRock Cash Funds - Institutional
1.78%
BlackRock Cash Funds - Treasury
1.48%
USA, Bonds 1.125% 15aug2040, USD
0.77%
USA, Bonds 2.75% 15aug2047, USD
0.74%
USA, Notes 4% 15nov2035, USD (F-2035)
0.73%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.59%
USA, Notes 4.25% 31may2033, USD (L-2033)
0.51%
USA, Bonds 1.75% 15aug2041, USD
0.46%
USA, Bonds 2.25% 15aug2046, USD
0.45%
USA, Bonds 2.25% 15feb2052, USD
0.44%
USA, Bonds 1.875% 15nov2051, USD
0.43%
USA, Bonds 3% 15aug2052, USD
0.43%
USA, Notes 4.375% 31jul2033, USD (N-2033)
0.41%
USA, Bonds 3% 15nov2044, USD
0.37%
USA, Notes 3.5% 28feb2031, USD (V-2031)
0.36%
GCOR
USA, Notes 3.875% 30nov2029, USD (S-2029)
4.73%
USA, Notes 0.75% 31jan2028, USD (G-2028)
3.50%
USA, Notes 4% 31oct2029, USD (R-2029)
2.43%
USA, Notes 1.25% 15aug2031, USD (E-2031)
2.42%
US01F0506927
1.64%
USA, Notes 4% 15feb2034, USD (B-2034)
1.40%
USA, Notes 3.75% 15apr2028, USD (AM-2028)
1.38%
USA, Notes 2.875% 15may2032, USD (C-2032)
1.38%
USA, Notes 2.25% 15aug2027, USD (E-2027)
1.34%
US01F0526982
1.01%
US21H0506988
0.88%
US01F0306948
0.87%
USA, Bonds 2.5% 15feb2045, USD
0.67%
USA, Bonds 2.75% 15aug2042, USD
0.67%
USA, Notes 1.375% 15nov2031, USD (F-2031)
0.65%
Frequently asked questions about BYLD and GCOR
How have the BYLD and GCOR ETFs performed in 2026?
As of October 16, 2026, BYLD is down -0.91% year-to-date (YTD), while GCOR has lost -1.69%. That puts BYLD better performer ahead so far this year.
Which ETF is attracting more investor money: BYLD or GCOR?
Year-to-date, the BYLD ETF saw +$138M in flows, compared to +$142M for GCOR.
Which ETF is more volatile: BYLD or GCOR?
Over the past year, BYLD had a volatility of 3.91%, while GCOR experienced 3.79%.
Which ETF is bigger: BYLD or GCOR?
As of October 16, 2026, BYLD holds $421.93 M in assets under management (AUM), while GCOR manages $807.64 M.
What sectors do the BYLD and GCOR ETFs invest in?
BYLD leans toward sectors like Finance, Sovereign and Industrials. Meanwhile, GCOR focuses on Sovereign and Finance.
What are the top holdings of the BYLD ETF and GCOR ETF?
BYLD top holdings include BlackRock Cash Funds - Institutional, BlackRock Cash Funds - Treasury and USA, Bonds 1.125% 15aug2040, USD. GCOR holds in its top three: USA, Notes 3.875% 30nov2029, USD (S-2029), USA, Notes 0.75% 31jan2028, USD (G-2028) and USA, Notes 4% 31oct2029, USD (R-2029).
Which ETF is more diversified: BYLD or GCOR?
BYLD holds 9900 securities with 9.96% of its assets in the top 15. GCOR has 1679 securities and a top 15 weight of 24.96%.
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