IWR vs. AGG
IWR (iShares Russell Midcap ETF) and AGG (iShares Core U.S. Aggregate Bond ETF) are both exchange-traded funds - IWR is a Mid Cap Growth Equities fund tracking the Russell Midcap Index, while AGG is a Total Bond Market fund tracking the Bloomberg U.S. Aggregate Bond Index. Both are passively managed. Over the past 10 years, IWR returned 11.41%/yr vs 1.52%/yr for AGG. At a correlation of -0.09, they often move in opposite directions. IWR charges 0.19%/yr vs 0.03%/yr for AGG.
Performance
IWR vs. AGG - Performance Comparison
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Returns By Period
In the year-to-date period, IWR achieves a 10.71% return, which is significantly higher than AGG's -0.08% return. Over the past 10 years, IWR has outperformed AGG with an annualized return of 11.41%, while AGG has yielded a comparatively lower 1.52% annualized return.
IWR
- 1D
- 0.08%
- 1M
- 1.05%
- YTD
- 10.71%
- 6M
- 10.50%
- 1Y
- 19.23%
- 3Y*
- 16.25%
- 5Y*
- 7.68%
- 10Y*
- 11.41%
AGG
- 1D
- 0.00%
- 1M
- -0.69%
- YTD
- -0.08%
- 6M
- 0.26%
- 1Y
- 4.97%
- 3Y*
- 3.88%
- 5Y*
- -0.03%
- 10Y*
- 1.52%
IWR vs. AGG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IWR iShares Russell Midcap ETF | 10.71% | 10.37% | 15.21% | 17.05% | -17.48% | 22.44% | 16.93% | 30.23% | -9.10% | 18.25% |
AGG iShares Core U.S. Aggregate Bond ETF | -0.08% | 7.19% | 1.31% | 5.65% | -13.02% | -1.77% | 7.48% | 8.46% | 0.09% | 3.55% |
Correlation
The correlation between IWR and AGG is 0.38, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.38 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.31 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.21 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.09 |
Correlation (All Time) Calculated using the full available price history since Sep 29, 2003 | -0.09 |
The correlation between IWR and AGG shifts across timeframes, from -0.09 (all time) to 0.38 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
IWR vs. AGG — Risk / Return Rank
IWR
AGG
IWR vs. AGG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Russell Midcap ETF (IWR) and iShares Core U.S. Aggregate Bond ETF (AGG). 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.
| IWR | AGG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.11 | ||
| Sortino ratioReturn per unit of downside risk | +0.12 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.23 | +0.02 |
| Calmar ratioReturn relative to maximum drawdown | 2.37 | 1.81 | +0.56 |
| Martin ratioReturn relative to average drawdown | 9.09 | 5.44 | +3.65 |
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
| IWR | AGG | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 1.43 | 1.32 | +0.11 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.42 | -0.00 | +0.43 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.59 | 0.28 | +0.31 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.49 | 0.59 | -0.10 |
Drawdowns
IWR vs. AGG - Drawdown Comparison
The maximum IWR drawdown since its inception was -58.78%, which is greater than AGG's maximum drawdown of -18.43%. Use the drawdown chart below to compare losses from any high point for IWR and AGG.
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Drawdown Indicators
| IWR | AGG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.78% | -18.43% | -40.35% |
Max Drawdown (1Y)Largest decline over 1 year | -8.17% | -2.76% | -5.41% |
Max Drawdown (3Y)Largest decline over 3 years | -21.09% | -6.11% | -14.98% |
Max Drawdown (5Y)Largest decline over 5 years | -26.18% | -17.82% | -8.36% |
Max Drawdown (10Y)Largest decline over 10 years | -40.59% | -18.43% | -22.16% |
Current DrawdownCurrent decline from peak | -2.04% | -2.47% | +0.43% |
Average DrawdownAverage peak-to-trough decline | -7.80% | -2.71% | -5.09% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.12% | 0.92% | +1.20% |
Volatility
IWR vs. AGG - Volatility Comparison
iShares Russell Midcap ETF (IWR) has a higher volatility of 3.59% compared to iShares Core U.S. Aggregate Bond ETF (AGG) at 1.29%. This indicates that IWR's price experiences larger fluctuations and is considered to be riskier than AGG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IWR | AGG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.59% | 1.29% | +2.30% |
Volatility (6M)Calculated over the trailing 6-month period | 10.06% | 2.77% | +7.29% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.54% | 3.80% | +9.74% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.25% | 6.09% | +12.16% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.38% | 5.41% | +13.97% |
IWR vs. AGG - Expense Ratio Comparison
IWR has a 0.19% expense ratio, which is higher than AGG's 0.03% 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
IWR vs. AGG - Dividend Comparison
IWR's dividend yield for the trailing twelve months is around 1.17%, less than AGG's 4.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
AGG iShares Core U.S. Aggregate Bond ETF | 4.00% | 3.89% | 3.74% | 3.13% | 2.39% | 1.77% | 2.14% | 2.70% | 2.72% | 2.32% | 2.39% | 2.45% |
IWR iShares Russell Midcap ETF | 1.17% | 1.29% | 1.27% | 1.43% | 1.59% | 1.04% | 1.28% | 1.43% | 1.98% | 1.52% | 1.72% | 1.59% |
Frequently Asked Questions
IWR and AGG have a correlation of 0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IWR has higher volatility (3.59%) compared to AGG (1.29%). In terms of maximum drawdown, IWR dropped -58.78% vs AGG's -18.43%.
On 10-year performance, IWR leads with 11.41% vs 1.52% for AGG. On fees, AGG is cheaper at 0.03% per year. On volatility, AGG has been the lower-risk option at 1.29%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IWR has performed better with a 11.41% return vs 1.52%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
AGG is cheaper with a 0.03% expense ratio, compared with 0.19% for IWR.
AGG has the higher dividend yield at 4.00%, compared with 1.17% for IWR.
IWR is categorized as Mid Cap Growth Equities, while AGG is Total Bond Market. IWR tracks Russell Midcap Index, while AGG tracks Bloomberg U.S. Aggregate Bond Index. Their fees differ too: 0.19% for IWR and 0.03% for AGG.
IWR currently has the higher Sharpe Ratio (1.43 vs 1.32), 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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