IBGA vs. GCOR
IBGA (iShares iBonds Dec 2044 Term Treasury ETF) and GCOR (Goldman Sachs Access U.S. Aggregate Bond ETF) are both Intermediate Core Bond funds - IBGA tracks the ICE 2044 Maturity US Treasury Index while GCOR tracks the FTSE Goldman Sachs US Broad Bond Market Index. Both are passively managed. Over the past year, IBGA returned 3.10% vs 3.62% for GCOR. Their correlation of 0.93 suggests significant overlap in exposure. IBGA charges 0.07%/yr vs 0.08%/yr for GCOR.
Performance
IBGA vs. GCOR - Performance Comparison
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Returns By Period
In the year-to-date period, IBGA achieves a -1.28% return, which is significantly lower than GCOR's -0.22% return.
IBGA
- 1D
- -0.46%
- 1M
- -1.30%
- 6M
- -1.83%
- YTD
- -1.28%
- 1Y
- 3.10%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
GCOR
- 1D
- -0.37%
- 1M
- -0.71%
- 6M
- -0.45%
- YTD
- -0.22%
- 1Y
- 3.62%
- 3Y*
- 3.50%
- 5Y*
- -0.50%
- 10Y*
- —
IBGA vs. GCOR - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
IBGA iShares iBonds Dec 2044 Term Treasury ETF | -1.28% | 6.09% | -2.18% |
GCOR Goldman Sachs Access U.S. Aggregate Bond ETF | -0.22% | 7.22% | 1.76% |
Correlation
The correlation between IBGA and GCOR 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 (All Time) Calculated using the full available price history since Jun 12, 2024 | 0.93 |
The correlation between IBGA and GCOR has been stable across timeframes, ranging from 0.93 to 0.94 - a consistent structural relationship.
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Return for Risk
IBGA vs. GCOR — Risk / Return Rank
IBGA
GCOR
IBGA vs. GCOR - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares iBonds Dec 2044 Term Treasury ETF (IBGA) and Goldman Sachs Access U.S. Aggregate Bond ETF (GCOR). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| IBGA | GCOR | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.62 | ||
| Sortino ratioReturn per unit of downside risk | -0.86 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.18 | -0.11 |
| Calmar ratioReturn relative to maximum drawdown | 0.47 | 1.29 | -0.82 |
| Martin ratioReturn relative to average drawdown | 1.18 | 3.57 | -2.38 |
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Drawdowns
IBGA vs. GCOR - Drawdown Comparison
The maximum IBGA drawdown since its inception was -11.69%, smaller than the maximum GCOR drawdown of -18.94%. Use the drawdown chart below to compare losses from any high point for IBGA and GCOR.
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Drawdown Indicators
| IBGA | GCOR | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -11.69% | -18.94% | +7.25% |
Max Drawdown (1Y)Largest decline over 1 year | -6.60% | -2.82% | -3.78% |
Max Drawdown (3Y)Largest decline over 3 years | — | -6.09% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -18.63% | — |
Current DrawdownCurrent decline from peak | -5.53% | -3.88% | -1.65% |
Average DrawdownAverage peak-to-trough decline | -5.00% | -7.90% | +2.90% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.62% | 1.02% | +1.60% |
Volatility
IBGA vs. GCOR - Volatility Comparison
iShares iBonds Dec 2044 Term Treasury ETF (IBGA) has a higher volatility of 2.47% compared to Goldman Sachs Access U.S. Aggregate Bond ETF (GCOR) at 1.22%. This indicates that IBGA's price experiences larger fluctuations and is considered to be riskier than GCOR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IBGA | GCOR | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.47% | 1.22% | +1.25% |
Volatility (6M)Calculated over the trailing 6-month period | 5.98% | 2.86% | +3.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 7.93% | 3.61% | +4.32% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 9.79% | 5.82% | +3.97% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 9.79% | 5.50% | +4.29% |
IBGA vs. GCOR - Expense Ratio Comparison
IBGA has a 0.07% expense ratio, which is lower than GCOR's 0.08% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
IBGA vs. GCOR - Dividend Comparison
IBGA's dividend yield for the trailing twelve months is around 4.72%, more than GCOR's 4.22% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 |
|---|---|---|---|---|---|---|---|
GCOR Goldman Sachs Access U.S. Aggregate Bond ETF | 4.22% | 4.03% | 4.36% | 3.67% | 2.11% | 0.92% | 0.24% |
IBGA iShares iBonds Dec 2044 Term Treasury ETF | 4.72% | 4.49% | 2.03% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.94, IBGA and GCOR 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.
IBGA has higher volatility (2.47%) compared to GCOR (1.22%). In terms of maximum drawdown, IBGA dropped -11.69% vs GCOR's -18.94%.
On 1-year performance, GCOR leads with 3.62% vs 3.10% for IBGA. On fees, IBGA is cheaper at 0.07% per year. On volatility, GCOR has been the lower-risk option at 1.22%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, GCOR has performed better with a 3.62% return vs 3.10%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IBGA is cheaper with a 0.07% expense ratio, compared with 0.08% for GCOR.
IBGA has the higher dividend yield at 4.72%, compared with 4.22% for GCOR.
IBGA tracks ICE 2044 Maturity US Treasury Index, while GCOR tracks FTSE Goldman Sachs US Broad Bond Market Index. They also come from different issuers: iShares and Goldman Sachs. Their fees differ too: 0.07% for IBGA and 0.08% for GCOR.
GCOR currently has the higher Sharpe Ratio (1.01 vs 0.39), 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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