CORB vs. IYE
CORB (AB Core Bond ETF) and IYE (iShares U.S. Energy ETF) are both exchange-traded funds - CORB is a Intermediate Core Bond fund actively managed by AllianceBernstein, while IYE is a Energy Equities fund tracking the Dow Jones U.S. Oil & Gas Index. CORB is actively managed, while IYE is passively managed. At a correlation of -0.34, they often move in opposite directions. CORB charges 0.28%/yr vs 0.42%/yr for IYE.
Performance
CORB vs. IYE - Performance Comparison
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Returns By Period
In the year-to-date period, CORB achieves a -0.50% return, which is significantly lower than IYE's 28.09% return.
CORB
- 1D
- -0.44%
- 1M
- -0.66%
- 6M
- -0.62%
- YTD
- -0.50%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IYE
- 1D
- 2.85%
- 1M
- -0.68%
- 6M
- 24.07%
- YTD
- 28.09%
- 1Y
- 30.70%
- 3Y*
- 14.87%
- 5Y*
- 20.63%
- 10Y*
- 8.17%
CORB vs. IYE - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
CORB AB Core Bond ETF | -0.50% | 0.41% |
IYE iShares U.S. Energy ETF | 28.09% | 0.61% |
Correlation
The correlation between CORB and IYE is -0.34, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Nov 10, 2025 | -0.34 |
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Return for Risk
CORB vs. IYE — Risk / Return Rank
CORB
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
IYE
CORB vs. IYE - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AB Core Bond ETF (CORB) and iShares U.S. Energy ETF (IYE). 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.
| CORB | IYE | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.25 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 2.12 | — |
| Martin ratioReturn relative to average drawdown | — | 5.73 | — |
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Drawdowns
CORB vs. IYE - Drawdown Comparison
The maximum CORB drawdown since its inception was -3.08%, smaller than the maximum IYE drawdown of -73.74%. Use the drawdown chart below to compare losses from any high point for CORB and IYE.
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Drawdown Indicators
| CORB | IYE | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.08% | -73.74% | +70.66% |
Max Drawdown (1Y)Largest decline over 1 year | — | -14.54% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -20.37% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.61% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -68.59% | — |
Current DrawdownCurrent decline from peak | -2.28% | -8.49% | +6.21% |
Average DrawdownAverage peak-to-trough decline | -1.08% | -19.33% | +18.25% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 5.40% | — |
Volatility
CORB vs. IYE - Volatility Comparison
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Volatility by Period
| CORB | IYE | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 7.04% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 16.25% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 4.10% | 20.50% | -16.40% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.10% | 25.62% | -21.52% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.10% | 29.50% | -25.40% |
CORB vs. IYE - Expense Ratio Comparison
CORB has a 0.28% expense ratio, which is lower than IYE's 0.42% expense ratio.
Dividends
CORB vs. IYE - Dividend Comparison
CORB's dividend yield for the trailing twelve months is around 2.76%, more than IYE's 2.22% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CORB AB Core Bond ETF | 2.76% | 0.81% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
IYE iShares U.S. Energy ETF | 2.22% | 2.85% | 2.75% | 2.99% | 3.37% | 2.98% | 4.75% | 6.60% | 3.16% | 2.66% | 2.11% | 3.39% |
Frequently Asked Questions
CORB and IYE have a correlation of -0.34, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, CORB is cheaper at 0.28% per year. The better choice depends on whether you care most about return, fees, risk, or income.
CORB is cheaper with a 0.28% expense ratio, compared with 0.42% for IYE.
CORB has the higher dividend yield at 2.76%, compared with 2.22% for IYE.
CORB is categorized as Intermediate Core Bond, while IYE is Energy Equities. They also come from different issuers: AllianceBernstein and iShares. Their fees differ too: 0.28% for CORB and 0.42% for IYE.
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