GCOR vs. IBTM
GCOR (Goldman Sachs Access U.S. Aggregate Bond ETF) and IBTM (iShares iBonds Dec 2032 Term Treasury ETF) are both Intermediate Core Bond funds - GCOR tracks the FTSE Goldman Sachs US Broad Bond Market Index while IBTM tracks the ICE 2032 Maturity US Treasury Index. Both are passively managed. Over the past 3 years, GCOR returned 3.71%/yr vs 2.68%/yr for IBTM. Their correlation of 0.92 suggests significant overlap in exposure. GCOR charges 0.08%/yr vs 0.07%/yr for IBTM.
Performance
GCOR vs. IBTM - Performance Comparison
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Returns By Period
In the year-to-date period, GCOR achieves a 0.16% return, which is significantly higher than IBTM's -0.50% return.
GCOR
- 1D
- -0.23%
- 1M
- 0.17%
- YTD
- 0.16%
- 6M
- 0.01%
- 1Y
- 4.97%
- 3Y*
- 3.71%
- 5Y*
- -0.24%
- 10Y*
- —
IBTM
- 1D
- -0.18%
- 1M
- -0.15%
- YTD
- -0.50%
- 6M
- -0.81%
- 1Y
- 3.93%
- 3Y*
- 2.68%
- 5Y*
- —
- 10Y*
- —
GCOR vs. IBTM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | |
|---|---|---|---|---|---|
GCOR Goldman Sachs Access U.S. Aggregate Bond ETF | 0.16% | 7.22% | 0.51% | 5.79% | -3.62% |
IBTM iShares iBonds Dec 2032 Term Treasury ETF | -0.50% | 8.06% | -0.14% | 3.48% | -4.63% |
Correlation
The correlation between GCOR and IBTM is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.94 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.93 |
Correlation (All Time) Calculated using the full available price history since Jul 11, 2022 | 0.92 |
The correlation between GCOR and IBTM has been stable across timeframes, ranging from 0.92 to 0.94 - a consistent structural relationship.
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Return for Risk
GCOR vs. IBTM — Risk / Return Rank
GCOR
IBTM
GCOR vs. IBTM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Goldman Sachs Access U.S. Aggregate Bond ETF (GCOR) and iShares iBonds Dec 2032 Term Treasury ETF (IBTM). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| GCOR | IBTM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.40 | ||
| Sortino ratioReturn per unit of downside risk | +0.56 | ||
| Omega ratioGain probability vs. loss probability | 1.24 | 1.17 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.77 | 1.21 | +0.56 |
| Martin ratioReturn relative to average drawdown | 5.42 | 3.51 | +1.92 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GCOR | IBTM | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.37 | 0.96 | +0.40 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.04 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.10 | 0.20 | -0.30 |
Drawdowns
GCOR vs. IBTM - Drawdown Comparison
The maximum GCOR drawdown since its inception was -18.94%, which is greater than IBTM's maximum drawdown of -13.60%. Use the drawdown chart below to compare losses from any high point for GCOR and IBTM.
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Drawdown Indicators
| GCOR | IBTM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -18.94% | -13.60% | -5.34% |
Max Drawdown (1Y)Largest decline over 1 year | -2.82% | -3.26% | +0.44% |
Max Drawdown (3Y)Largest decline over 3 years | -6.09% | -7.86% | +1.77% |
Max Drawdown (5Y)Largest decline over 5 years | -18.63% | — | — |
Current DrawdownCurrent decline from peak | -3.52% | -2.38% | -1.14% |
Average DrawdownAverage peak-to-trough decline | -7.99% | -4.82% | -3.17% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.92% | 1.12% | -0.20% |
Volatility
GCOR vs. IBTM - Volatility Comparison
Goldman Sachs Access U.S. Aggregate Bond ETF (GCOR) has a higher volatility of 1.27% compared to iShares iBonds Dec 2032 Term Treasury ETF (IBTM) at 1.20%. This indicates that GCOR's price experiences larger fluctuations and is considered to be riskier than IBTM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GCOR | IBTM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.27% | 1.20% | +0.07% |
Volatility (6M)Calculated over the trailing 6-month period | 2.65% | 2.75% | -0.10% |
Volatility (1Y)Calculated over the trailing 1-year period | 3.65% | 4.09% | -0.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 5.81% | 7.56% | -1.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.52% | 7.56% | -2.04% |
GCOR vs. IBTM - Expense Ratio Comparison
GCOR has a 0.08% expense ratio, which is higher than IBTM's 0.07% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
GCOR vs. IBTM - Dividend Comparison
GCOR's dividend yield for the trailing twelve months is around 4.17%, more than IBTM's 3.95% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
GCOR Goldman Sachs Access U.S. Aggregate Bond ETF | 4.17% | 4.03% | 4.36% | 3.67% | 2.11% | 0.92% | 0.24% |
IBTM iShares iBonds Dec 2032 Term Treasury ETF | 3.95% | 3.87% | 3.96% | 3.39% | 1.38% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.94, GCOR and IBTM move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
GCOR has higher volatility (1.27%) compared to IBTM (1.20%). In terms of maximum drawdown, GCOR dropped -18.94% vs IBTM's -13.60%.
On 3-year performance, GCOR leads with 3.71% vs 2.68% for IBTM. On fees, IBTM is cheaper at 0.07% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, GCOR has performed better with a 3.71% return vs 2.68%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBTM is cheaper with a 0.07% expense ratio, compared with 0.08% for GCOR.
GCOR has the higher dividend yield at 4.17%, compared with 3.95% for IBTM.
GCOR tracks FTSE Goldman Sachs US Broad Bond Market Index, while IBTM tracks ICE 2032 Maturity US Treasury Index. They also come from different issuers: Goldman Sachs and iShares. Their fees differ too: 0.08% for GCOR and 0.07% for IBTM.
GCOR currently has the higher Sharpe Ratio (1.37 vs 0.96), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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